20018583315

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{3200413}}^1$

素因数の和:3200563

約数の個数: 24

約数和(自身を含む): 34948520880

約数和(自身を除く): 14929937565

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 3200413, 9601239, 16002065, 28803717, 48006195, 144018585, 444857407, 1334572221, 2224287035, 4003716663, 6672861105, 20018583315]

約数ペア:

[(1, 20018583315), (3, 6672861105), (5, 4003716663), (9, 2224287035), (15, 1334572221), (45, 444857407), (139, 144018585), (417, 48006195), (695, 28803717), (1251, 16002065), (2085, 9601239), (6255, 3200413)]