403721020

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{19927}}^1$

素因数の和:20949

約数の個数: 24

約数和(自身を含む): 848693664

約数和(自身を除く): 444972644

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 4052, 5065, 10130, 19927, 20260, 39854, 79708, 99635, 199270, 398540, 20186051, 40372102, 80744204, 100930255, 201860510, 403721020]

約数ペア:

[(1, 403721020), (2, 201860510), (4, 100930255), (5, 80744204), (10, 40372102), (20, 20186051), (1013, 398540), (2026, 199270), (4052, 99635), (5065, 79708), (10130, 39854), (19927, 20260)]