20757220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94351}}^1$

素因数の和:94371

約数の個数: 24

約数和(自身を含む): 47553408

約数和(自身を除く): 26796188

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94351, 188702, 377404, 471755, 943510, 1037861, 1887020, 2075722, 4151444, 5189305, 10378610, 20757220]

約数ペア:

[(1, 20757220), (2, 10378610), (4, 5189305), (5, 4151444), (10, 2075722), (11, 1887020), (20, 1037861), (22, 943510), (44, 471755), (55, 377404), (110, 188702), (220, 94351)]