20138851616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{213263}}^1$

素因数の和:213513

約数の個数: 48

約数和(自身を含む): 42886537344

約数和(自身を除く): 22747685728

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 227, 416, 454, 908, 1816, 2951, 3632, 5902, 7264, 11804, 23608, 47216, 94432, 213263, 426526, 853052, 1706104, 2772419, 3412208, 5544838, 6824416, 11089676, 22179352, 44358704, 48410701, 88717408, 96821402, 193642804, 387285608, 629339113, 774571216, 1258678226, 1549142432, 2517356452, 5034712904, 10069425808, 20138851616]

約数ペア:

[(1, 20138851616), (2, 10069425808), (4, 5034712904), (8, 2517356452), (13, 1549142432), (16, 1258678226), (26, 774571216), (32, 629339113), (52, 387285608), (104, 193642804), (208, 96821402), (227, 88717408), (416, 48410701), (454, 44358704), (908, 22179352), (1816, 11089676), (2951, 6824416), (3632, 5544838), (5902, 3412208), (7264, 2772419), (11804, 1706104), (23608, 853052), (47216, 426526), (94432, 213263)]