20154127510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{265151}}^1$

素因数の和:265860

約数の個数: 32

約数和(自身を含む): 39632799744

約数和(自身を除く): 19478672234

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 691, 1382, 3455, 6910, 7601, 15202, 38005, 76010, 265151, 530302, 1325755, 2651510, 2916661, 5833322, 14583305, 29166610, 183219341, 366438682, 916096705, 1832193410, 2015412751, 4030825502, 10077063755, 20154127510]

約数ペア:

[(1, 20154127510), (2, 10077063755), (5, 4030825502), (10, 2015412751), (11, 1832193410), (22, 916096705), (55, 366438682), (110, 183219341), (691, 29166610), (1382, 14583305), (3455, 5833322), (6910, 2916661), (7601, 2651510), (15202, 1325755), (38005, 530302), (76010, 265151)]