20148719617

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{412537}}^1$

素因数の和:412597

約数の個数: 18

約数和(自身を含む): 23176797378

約数和(自身を除く): 3028077761

約数列:

[1, 13, 17, 169, 221, 289, 2873, 3757, 48841, 412537, 5362981, 7013129, 69718753, 91170677, 119223193, 1185218801, 1549901509, 20148719617]

約数ペア:

[(1, 20148719617), (13, 1549901509), (17, 1185218801), (169, 119223193), (221, 91170677), (289, 69718753), (2873, 7013129), (3757, 5362981), (48841, 412537)]