20943496

素因数分解:

$2^3\times 7^1\times {\mathrm{61}}^1\times {\mathrm{6131}}^1$

素因数の和:6205

約数の個数: 32

約数和(自身を含む): 45622080

約数和(自身を除く): 24678584

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 6131, 12262, 24524, 42917, 49048, 85834, 171668, 343336, 373991, 747982, 1495964, 2617937, 2991928, 5235874, 10471748, 20943496]

約数ペア:

[(1, 20943496), (2, 10471748), (4, 5235874), (7, 2991928), (8, 2617937), (14, 1495964), (28, 747982), (56, 373991), (61, 343336), (122, 171668), (244, 85834), (427, 49048), (488, 42917), (854, 24524), (1708, 12262), (3416, 6131)]