20164586512

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2951491}}^1$

素因数の和:2951567

約数の個数: 40

約数和(自身を含む): 45382140992

約数和(自身を除く): 25217554480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 427, 488, 854, 976, 1708, 3416, 6832, 2951491, 5902982, 11805964, 20660437, 23611928, 41320874, 47223856, 82641748, 165283496, 180040951, 330566992, 360081902, 720163804, 1260286657, 1440327608, 2520573314, 2880655216, 5041146628, 10082293256, 20164586512]

約数ペア:

[(1, 20164586512), (2, 10082293256), (4, 5041146628), (7, 2880655216), (8, 2520573314), (14, 1440327608), (16, 1260286657), (28, 720163804), (56, 360081902), (61, 330566992), (112, 180040951), (122, 165283496), (244, 82641748), (427, 47223856), (488, 41320874), (854, 23611928), (976, 20660437), (1708, 11805964), (3416, 5902982), (6832, 2951491)]