20218572279

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{72468001}}^1$

素因数の和:72468038

約数の個数: 12

約数和(自身を含む): 30146688832

約数和(自身を除く): 9928116553

約数列:

[1, 3, 9, 31, 93, 279, 72468001, 217404003, 652212009, 2246508031, 6739524093, 20218572279]

約数ペア:

[(1, 20218572279), (3, 6739524093), (9, 2246508031), (31, 652212009), (93, 217404003), (279, 72468001)]