20407026

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 46126080

約数和(自身を除く): 25719054

約数列:

[1, 2, 3, 6, 19, 23, 38, 43, 46, 57, 69, 86, 114, 129, 138, 181, 258, 362, 437, 543, 817, 874, 989, 1086, 1311, 1634, 1978, 2451, 2622, 2967, 3439, 4163, 4902, 5934, 6878, 7783, 8326, 10317, 12489, 15566, 18791, 20634, 23349, 24978, 37582, 46698, 56373, 79097, 112746, 147877, 158194, 179009, 237291, 295754, 358018, 443631, 474582, 537027, 887262, 1074054, 3401171, 6802342, 10203513, 20407026]

約数ペア:

[(1, 20407026), (2, 10203513), (3, 6802342), (6, 3401171), (19, 1074054), (23, 887262), (38, 537027), (43, 474582), (46, 443631), (57, 358018), (69, 295754), (86, 237291), (114, 179009), (129, 158194), (138, 147877), (181, 112746), (258, 79097), (362, 56373), (437, 46698), (543, 37582), (817, 24978), (874, 23349), (989, 20634), (1086, 18791), (1311, 15566), (1634, 12489), (1978, 10317), (2451, 8326), (2622, 7783), (2967, 6878), (3439, 5934), (4163, 4902)]