2020 AMC 10B Problem 25AMC 10 Step by Step
Name: Date: September 13, 2026
Distributions & Stars and Bars · difficulty 5 of 5 · about 10 min · position P21-25
Let denote the number of ways of writing the positive integer as a product
where , the are integers strictly greater than , and the order in which the factors are listed matters (that is, two representations that differ only in the order of the factors are counted as distinct). For example, the number can be written as , , and , so . What is ?
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