20817550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32027}}^1$

素因数の和:32052

約数の個数: 24

約数和(自身を含む): 41700456

約数和(自身を除く): 20882906

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32027, 64054, 160135, 320270, 416351, 800675, 832702, 1601350, 2081755, 4163510, 10408775, 20817550]

約数ペア:

[(1, 20817550), (2, 10408775), (5, 4163510), (10, 2081755), (13, 1601350), (25, 832702), (26, 800675), (50, 416351), (65, 320270), (130, 160135), (325, 64054), (650, 32027)]