16920580

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{3727}}^1$

素因数の和:3963

約数の個数: 24

約数和(自身を含む): 35699328

約数和(自身を除く): 18778748

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 3727, 4540, 7454, 14908, 18635, 37270, 74540, 846029, 1692058, 3384116, 4230145, 8460290, 16920580]

約数ペア:

[(1, 16920580), (2, 8460290), (4, 4230145), (5, 3384116), (10, 1692058), (20, 846029), (227, 74540), (454, 37270), (908, 18635), (1135, 14908), (2270, 7454), (3727, 4540)]