20081090

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10091}}^1$

素因数の和:10297

約数の個数: 16

約数和(自身を含む): 36331200

約数和(自身を除く): 16250110

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 10091, 20182, 50455, 100910, 2008109, 4016218, 10040545, 20081090]

約数ペア:

[(1, 20081090), (2, 10040545), (5, 4016218), (10, 2008109), (199, 100910), (398, 50455), (995, 20182), (1990, 10091)]