20686726

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{733}}^1$

素因数の和:975

約数の個数: 16

約数和(自身を含む): 31603104

約数和(自身を除く): 10916378

約数列:

[1, 2, 103, 137, 206, 274, 733, 1466, 14111, 28222, 75499, 100421, 150998, 200842, 10343363, 20686726]

約数ペア:

[(1, 20686726), (2, 10343363), (103, 200842), (137, 150998), (206, 100421), (274, 75499), (733, 28222), (1466, 14111)]