20189701835

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{7901}}^1\times {\mathrm{17623}}^1$

素因数の和:25558

約数の個数: 16

約数和(自身を含む): 25067672640

約数和(自身を除く): 4877970805

約数列:

[1, 5, 29, 145, 7901, 17623, 39505, 88115, 229129, 511067, 1145645, 2555335, 139239323, 696196615, 4037940367, 20189701835]

約数ペア:

[(1, 20189701835), (5, 4037940367), (29, 696196615), (145, 139239323), (7901, 2555335), (17623, 1145645), (39505, 511067), (88115, 229129)]