20874040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47441}}^1$

素因数の和:47463

約数の個数: 32

約数和(自身を含む): 51237360

約数和(自身を除く): 30363320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47441, 94882, 189764, 237205, 379528, 474410, 521851, 948820, 1043702, 1897640, 2087404, 2609255, 4174808, 5218510, 10437020, 20874040]

約数ペア:

[(1, 20874040), (2, 10437020), (4, 5218510), (5, 4174808), (8, 2609255), (10, 2087404), (11, 1897640), (20, 1043702), (22, 948820), (40, 521851), (44, 474410), (55, 379528), (88, 237205), (110, 189764), (220, 94882), (440, 47441)]