20013870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{667129}}^1$

素因数の和:667139

約数の個数: 16

約数和(自身を含む): 48033360

約数和(自身を除く): 28019490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 667129, 1334258, 2001387, 3335645, 4002774, 6671290, 10006935, 20013870]

約数ペア:

[(1, 20013870), (2, 10006935), (3, 6671290), (5, 4002774), (6, 3335645), (10, 2001387), (15, 1334258), (30, 667129)]