219557620

素因数分解:

$2^2\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{10837}}^1$

素因数の和:11859

約数の個数: 24

約数和(自身を含む): 461568744

約数和(自身を除く): 242011124

約数列:

[1, 2, 4, 5, 10, 20, 1013, 2026, 4052, 5065, 10130, 10837, 20260, 21674, 43348, 54185, 108370, 216740, 10977881, 21955762, 43911524, 54889405, 109778810, 219557620]

約数ペア:

[(1, 219557620), (2, 109778810), (4, 54889405), (5, 43911524), (10, 21955762), (20, 10977881), (1013, 216740), (2026, 108370), (4052, 54185), (5065, 43348), (10130, 21674), (10837, 20260)]