20013990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{3727}}^1$

素因数の和:3916

約数の個数: 32

約数和(自身を含む): 48314880

約数和(自身を除く): 28300890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 179, 358, 537, 895, 1074, 1790, 2685, 3727, 5370, 7454, 11181, 18635, 22362, 37270, 55905, 111810, 667133, 1334266, 2001399, 3335665, 4002798, 6671330, 10006995, 20013990]

約数ペア:

[(1, 20013990), (2, 10006995), (3, 6671330), (5, 4002798), (6, 3335665), (10, 2001399), (15, 1334266), (30, 667133), (179, 111810), (358, 55905), (537, 37270), (895, 22362), (1074, 18635), (1790, 11181), (2685, 7454), (3727, 5370)]