20164575475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{368471}}^1$

素因数の和:368691

約数の個数: 24

約数和(自身を含む): 27414316800

約数和(自身を除く): 7249741325

約数列:

[1, 5, 11, 25, 55, 199, 275, 995, 2189, 4975, 10945, 54725, 368471, 1842355, 4053181, 9211775, 20265905, 73325729, 101329525, 366628645, 806583019, 1833143225, 4032915095, 20164575475]

約数ペア:

[(1, 20164575475), (5, 4032915095), (11, 1833143225), (25, 806583019), (55, 366628645), (199, 101329525), (275, 73325729), (995, 20265905), (2189, 9211775), (4975, 4053181), (10945, 1842355), (54725, 368471)]