20019753

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1389

約数の個数: 24

約数和(自身を含む): 31391360

約数和(自身を除く): 11371607

約数列:

[1, 3, 9, 13, 39, 117, 139, 417, 1231, 1251, 1807, 3693, 5421, 11079, 16003, 16263, 48009, 144027, 171109, 513327, 1539981, 2224417, 6673251, 20019753]

約数ペア:

[(1, 20019753), (3, 6673251), (9, 2224417), (13, 1539981), (39, 513327), (117, 171109), (139, 144027), (417, 48009), (1231, 16263), (1251, 16003), (1807, 11079), (3693, 5421)]