20858540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35963}}^1$

素因数の和:36001

約数の個数: 24

約数和(自身を含む): 45314640

約数和(自身を除く): 24456100

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35963, 71926, 143852, 179815, 359630, 719260, 1042927, 2085854, 4171708, 5214635, 10429270, 20858540]

約数ペア:

[(1, 20858540), (2, 10429270), (4, 5214635), (5, 4171708), (10, 2085854), (20, 1042927), (29, 719260), (58, 359630), (116, 179815), (145, 143852), (290, 71926), (580, 35963)]