20217490929

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{42384677}}^1$

素因数の和:42384736

約数の個数: 12

約数和(自身を含む): 29754043956

約数和(自身を除く): 9536553027

約数列:

[1, 3, 9, 53, 159, 477, 42384677, 127154031, 381462093, 2246387881, 6739163643, 20217490929]

約数ペア:

[(1, 20217490929), (3, 6739163643), (9, 2246387881), (53, 381462093), (159, 127154031), (477, 42384677)]