20097553281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{515321879}}^1$

素因数の和:515321895

約数の個数: 8

約数和(自身を含む): 28858025280

約数和(自身を除く): 8760471999

約数列:

[1, 3, 13, 39, 515321879, 1545965637, 6699184427, 20097553281]

約数ペア:

[(1, 20097553281), (3, 6699184427), (13, 1545965637), (39, 515321879)]