20512971380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{93240779}}^1$

素因数の和:93240799

約数の個数: 24

約数和(自身を含む): 46993353120

約数和(自身を除く): 26480381740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 93240779, 186481558, 372963116, 466203895, 932407790, 1025648569, 1864815580, 2051297138, 4102594276, 5128242845, 10256485690, 20512971380]

約数ペア:

[(1, 20512971380), (2, 10256485690), (4, 5128242845), (5, 4102594276), (10, 2051297138), (11, 1864815580), (20, 1025648569), (22, 932407790), (44, 466203895), (55, 372963116), (110, 186481558), (220, 93240779)]