20123432589

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{662369}}^1$

素因数の和:662445

約数の個数: 32

約数和(自身を含む): 31157884800

約数和(自身を除く): 11034452211

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 741, 779, 1599, 2337, 10127, 30381, 662369, 1987107, 8610797, 12585011, 25832391, 27157129, 37755033, 81471387, 163605143, 353042677, 490815429, 515985451, 1059128031, 1547956353, 6707810863, 20123432589]

約数ペア:

[(1, 20123432589), (3, 6707810863), (13, 1547956353), (19, 1059128031), (39, 515985451), (41, 490815429), (57, 353042677), (123, 163605143), (247, 81471387), (533, 37755033), (741, 27157129), (779, 25832391), (1599, 12585011), (2337, 8610797), (10127, 1987107), (30381, 662369)]