200642020

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{44987}}^1$

素因数の和:45219

約数の個数: 24

約数和(自身を含む): 423247104

約数和(自身を除く): 222605084

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 44987, 89974, 179948, 224935, 449870, 899740, 10032101, 20064202, 40128404, 50160505, 100321010, 200642020]

約数ペア:

[(1, 200642020), (2, 100321010), (4, 50160505), (5, 40128404), (10, 20064202), (20, 10032101), (223, 899740), (446, 449870), (892, 224935), (1115, 179948), (2230, 89974), (4460, 44987)]