20015455

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{3571}}^1$

素因数の和:3654

約数の個数: 16

約数和(自身を含む): 25718400

約数和(自身を除く): 5702945

約数列:

[1, 5, 19, 59, 95, 295, 1121, 3571, 5605, 17855, 67849, 210689, 339245, 1053445, 4003091, 20015455]

約数ペア:

[(1, 20015455), (5, 4003091), (19, 1053445), (59, 339245), (95, 210689), (295, 67849), (1121, 17855), (3571, 5605)]