20102390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26107}}^1$

素因数の和:26132

約数の個数: 32

約数和(自身を含む): 45114624

約数和(自身を除く): 25012234

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 26107, 52214, 130535, 182749, 261070, 287177, 365498, 574354, 913745, 1435885, 1827490, 2010239, 2871770, 4020478, 10051195, 20102390]

約数ペア:

[(1, 20102390), (2, 10051195), (5, 4020478), (7, 2871770), (10, 2010239), (11, 1827490), (14, 1435885), (22, 913745), (35, 574354), (55, 365498), (70, 287177), (77, 261070), (110, 182749), (154, 130535), (385, 52214), (770, 26107)]