20553940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93427}}^1$

素因数の和:93447

約数の個数: 24

約数和(自身を含む): 47087712

約数和(自身を除く): 26533772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93427, 186854, 373708, 467135, 934270, 1027697, 1868540, 2055394, 4110788, 5138485, 10276970, 20553940]

約数ペア:

[(1, 20553940), (2, 10276970), (4, 5138485), (5, 4110788), (10, 2055394), (11, 1868540), (20, 1027697), (22, 934270), (44, 467135), (55, 373708), (110, 186854), (220, 93427)]