20773580

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{6971}}^1$

素因数の和:7129

約数の個数: 24

約数和(自身を含む): 43923600

約数和(自身を除く): 23150020

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 6971, 13942, 27884, 34855, 69710, 139420, 1038679, 2077358, 4154716, 5193395, 10386790, 20773580]

約数ペア:

[(1, 20773580), (2, 10386790), (4, 5193395), (5, 4154716), (10, 2077358), (20, 1038679), (149, 139420), (298, 69710), (596, 34855), (745, 27884), (1490, 13942), (2980, 6971)]