20750840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47161}}^1$

素因数の和:47183

約数の個数: 32

約数和(自身を含む): 50934960

約数和(自身を除く): 30184120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47161, 94322, 188644, 235805, 377288, 471610, 518771, 943220, 1037542, 1886440, 2075084, 2593855, 4150168, 5187710, 10375420, 20750840]

約数ペア:

[(1, 20750840), (2, 10375420), (4, 5187710), (5, 4150168), (8, 2593855), (10, 2075084), (11, 1886440), (20, 1037542), (22, 943220), (40, 518771), (44, 471610), (55, 377288), (88, 235805), (110, 188644), (220, 94322), (440, 47161)]