20012235

素因数分解:

$3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{3169}}^1$

素因数の和:3598

約数の個数: 16

約数和(自身を含む): 32105760

約数和(自身を除く): 12093525

約数列:

[1, 3, 5, 15, 421, 1263, 2105, 3169, 6315, 9507, 15845, 47535, 1334149, 4002447, 6670745, 20012235]

約数ペア:

[(1, 20012235), (3, 6670745), (5, 4002447), (15, 1334149), (421, 47535), (1263, 15845), (2105, 9507), (3169, 6315)]