9405820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{10937}}^1$

素因数の和:10989

約数の個数: 24

約数和(自身を含む): 20213424

約数和(自身を除く): 10807604

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 10937, 21874, 43748, 54685, 109370, 218740, 470291, 940582, 1881164, 2351455, 4702910, 9405820]

約数ペア:

[(1, 9405820), (2, 4702910), (4, 2351455), (5, 1881164), (10, 940582), (20, 470291), (43, 218740), (86, 109370), (172, 54685), (215, 43748), (430, 21874), (860, 10937)]