20717797467

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{6857927}}^1$

素因数の和:6858002

約数の個数: 16

約数和(自身を含む): 29626248960

約数和(自身を除く): 8908451493

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 6857927, 20573781, 130300613, 363470131, 390901839, 1090410393, 6905932489, 20717797467]

約数ペア:

[(1, 20717797467), (3, 6905932489), (19, 1090410393), (53, 390901839), (57, 363470131), (159, 130300613), (1007, 20573781), (3021, 6857927)]