20199170

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3877}}^1$

素因数の和:4405

約数の個数: 16

約数和(自身を含む): 36437688

約数和(自身を除く): 16238518

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 3877, 5210, 7754, 19385, 38770, 2019917, 4039834, 10099585, 20199170]

約数ペア:

[(1, 20199170), (2, 10099585), (5, 4039834), (10, 2019917), (521, 38770), (1042, 19385), (2605, 7754), (3877, 5210)]