20050116

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 48117888

約数和(自身を除く): 28067772

約数列:

[1, 2, 3, 4, 6, 12, 71, 101, 142, 202, 213, 233, 284, 303, 404, 426, 466, 606, 699, 852, 932, 1212, 1398, 2796, 7171, 14342, 16543, 21513, 23533, 28684, 33086, 43026, 47066, 49629, 66172, 70599, 86052, 94132, 99258, 141198, 198516, 282396, 1670843, 3341686, 5012529, 6683372, 10025058, 20050116]

約数ペア:

[(1, 20050116), (2, 10025058), (3, 6683372), (4, 5012529), (6, 3341686), (12, 1670843), (71, 282396), (101, 198516), (142, 141198), (202, 99258), (213, 94132), (233, 86052), (284, 70599), (303, 66172), (404, 49629), (426, 47066), (466, 43026), (606, 33086), (699, 28684), (852, 23533), (932, 21513), (1212, 16543), (1398, 14342), (2796, 7171)]