20105787526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1\times {\mathrm{53857}}^1$

素因数の和:54180

約数の個数: 32

約数和(自身を含む): 33503984640

約数和(自身を除く): 13398197114

約数列:

[1, 2, 11, 22, 71, 142, 239, 478, 781, 1562, 2629, 5258, 16969, 33938, 53857, 107714, 186659, 373318, 592427, 1184854, 3823847, 7647694, 12871823, 25743646, 42062317, 84124634, 141590053, 283180106, 913899433, 1827798866, 10052893763, 20105787526]

約数ペア:

[(1, 20105787526), (2, 10052893763), (11, 1827798866), (22, 913899433), (71, 283180106), (142, 141590053), (239, 84124634), (478, 42062317), (781, 25743646), (1562, 12871823), (2629, 7647694), (5258, 3823847), (16969, 1184854), (33938, 592427), (53857, 373318), (107714, 186659)]