20161685

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{881}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 25401600

約数和(自身を除く): 5239915

約数列:

[1, 5, 23, 115, 199, 881, 995, 4405, 4577, 20263, 22885, 101315, 175319, 876595, 4032337, 20161685]

約数ペア:

[(1, 20161685), (5, 4032337), (23, 876595), (115, 175319), (199, 101315), (881, 22885), (995, 20263), (4405, 4577)]