20895140161

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{908129}}^1$

素因数の和:908328

約数の個数: 16

約数和(自身を含む): 25282339200

約数和(自身を除く): 4387199039

約数列:

[1, 7, 19, 133, 173, 1211, 3287, 23009, 908129, 6356903, 17254451, 120781157, 157106317, 1099744219, 2985020023, 20895140161]

約数ペア:

[(1, 20895140161), (7, 2985020023), (19, 1099744219), (133, 157106317), (173, 120781157), (1211, 17254451), (3287, 6356903), (23009, 908129)]