20121894535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19553}}^1\times {\mathrm{12107}}^1$

素因数の和:31682

約数の個数: 16

約数和(自身を含む): 25570061856

約数和(自身を除く): 5448167321

約数列:

[1, 5, 17, 85, 12107, 19553, 60535, 97765, 205819, 332401, 1029095, 1662005, 236728171, 1183640855, 4024378907, 20121894535]

約数ペア:

[(1, 20121894535), (5, 4024378907), (17, 1183640855), (85, 236728171), (12107, 1662005), (19553, 1029095), (60535, 332401), (97765, 205819)]