20393948

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{677}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 37930032

約数和(自身を除く): 17536084

約数列:

[1, 2, 4, 17, 34, 68, 443, 677, 886, 1354, 1772, 2708, 7531, 11509, 15062, 23018, 30124, 46036, 299911, 599822, 1199644, 5098487, 10196974, 20393948]

約数ペア:

[(1, 20393948), (2, 10196974), (4, 5098487), (17, 1199644), (34, 599822), (68, 299911), (443, 46036), (677, 30124), (886, 23018), (1354, 15062), (1772, 11509), (2708, 7531)]