202101020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{918641}}^1$

素因数の和:918661

約数の個数: 24

約数和(自身を含む): 462995568

約数和(自身を除く): 260894548

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 918641, 1837282, 3674564, 4593205, 9186410, 10105051, 18372820, 20210102, 40420204, 50525255, 101050510, 202101020]

約数ペア:

[(1, 202101020), (2, 101050510), (4, 50525255), (5, 40420204), (10, 20210102), (11, 18372820), (20, 10105051), (22, 9186410), (44, 4593205), (55, 3674564), (110, 1837282), (220, 918641)]