20518698

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{8123}}^1$

素因数の和:8549

約数の個数: 16

約数和(自身を含む): 41139936

約数和(自身を除く): 20621238

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 8123, 16246, 24369, 48738, 3419783, 6839566, 10259349, 20518698]

約数ペア:

[(1, 20518698), (2, 10259349), (3, 6839566), (6, 3419783), (421, 48738), (842, 24369), (1263, 16246), (2526, 8123)]