204901660

素因数分解:

$2^2\times 5^1\times {\mathrm{2087}}^1\times {\mathrm{4909}}^1$

素因数の和:7005

約数の個数: 24

約数和(自身を含む): 430587360

約数和(自身を除く): 225685700

約数列:

[1, 2, 4, 5, 10, 20, 2087, 4174, 4909, 8348, 9818, 10435, 19636, 20870, 24545, 41740, 49090, 98180, 10245083, 20490166, 40980332, 51225415, 102450830, 204901660]

約数ペア:

[(1, 204901660), (2, 102450830), (4, 51225415), (5, 40980332), (10, 20490166), (20, 10245083), (2087, 98180), (4174, 49090), (4909, 41740), (8348, 24545), (9818, 20870), (10435, 19636)]