20698040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47041}}^1$

素因数の和:47063

約数の個数: 32

約数和(自身を含む): 50805360

約数和(自身を除く): 30107320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47041, 94082, 188164, 235205, 376328, 470410, 517451, 940820, 1034902, 1881640, 2069804, 2587255, 4139608, 5174510, 10349020, 20698040]

約数ペア:

[(1, 20698040), (2, 10349020), (4, 5174510), (5, 4139608), (8, 2587255), (10, 2069804), (11, 1881640), (20, 1034902), (22, 940820), (40, 517451), (44, 470410), (55, 376328), (88, 235205), (110, 188164), (220, 94082), (440, 47041)]