20200490

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{10151}}^1$

素因数の和:10357

約数の個数: 16

約数和(自身を含む): 36547200

約数和(自身を除く): 16346710

約数列:

[1, 2, 5, 10, 199, 398, 995, 1990, 10151, 20302, 50755, 101510, 2020049, 4040098, 10100245, 20200490]

約数ペア:

[(1, 20200490), (2, 10100245), (5, 4040098), (10, 2020049), (199, 101510), (398, 50755), (995, 20302), (1990, 10151)]