22181420

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4217}}^1$

素因数の和:4489

約数の個数: 24

約数和(自身を含む): 46769184

約数和(自身を除く): 24587764

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 4217, 5260, 8434, 16868, 21085, 42170, 84340, 1109071, 2218142, 4436284, 5545355, 11090710, 22181420]

約数ペア:

[(1, 22181420), (2, 11090710), (4, 5545355), (5, 4436284), (10, 2218142), (20, 1109071), (263, 84340), (526, 42170), (1052, 21085), (1315, 16868), (2630, 8434), (4217, 5260)]