20409804

素因数分解:

$2^2\times 3^2\times {\mathrm{566939}}^1$

素因数の和:566949

約数の個数: 18

約数和(自身を含む): 51591540

約数和(自身を除く): 31181736

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 566939, 1133878, 1700817, 2267756, 3401634, 5102451, 6803268, 10204902, 20409804]

約数ペア:

[(1, 20409804), (2, 10204902), (3, 6803268), (4, 5102451), (6, 3401634), (9, 2267756), (12, 1700817), (18, 1133878), (36, 566939)]