20126838

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 41513472

約数和(自身を除く): 21386634

約数列:

[1, 2, 3, 6, 43, 86, 129, 181, 258, 362, 431, 543, 862, 1086, 1293, 2586, 7783, 15566, 18533, 23349, 37066, 46698, 55599, 78011, 111198, 156022, 234033, 468066, 3354473, 6708946, 10063419, 20126838]

約数ペア:

[(1, 20126838), (2, 10063419), (3, 6708946), (6, 3354473), (43, 468066), (86, 234033), (129, 156022), (181, 111198), (258, 78011), (362, 55599), (431, 46698), (543, 37066), (862, 23349), (1086, 18533), (1293, 15566), (2586, 7783)]