20145537582

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{673}}^1\times {\mathrm{739}}^1$

素因数の和:1617

約数の個数: 64

約数和(自身を含む): 41608554240

約数和(自身を除く): 21463016658

約数列:

[1, 2, 3, 6, 43, 86, 129, 157, 258, 314, 471, 673, 739, 942, 1346, 1478, 2019, 2217, 4038, 4434, 6751, 13502, 20253, 28939, 31777, 40506, 57878, 63554, 86817, 95331, 105661, 116023, 173634, 190662, 211322, 232046, 316983, 348069, 497347, 633966, 696138, 994694, 1492041, 2984082, 4543423, 4988989, 9086846, 9977978, 13630269, 14966967, 21385921, 27260538, 29933934, 42771842, 64157763, 78083479, 128315526, 156166958, 234250437, 468500874, 3357589597, 6715179194, 10072768791, 20145537582]

約数ペア:

[(1, 20145537582), (2, 10072768791), (3, 6715179194), (6, 3357589597), (43, 468500874), (86, 234250437), (129, 156166958), (157, 128315526), (258, 78083479), (314, 64157763), (471, 42771842), (673, 29933934), (739, 27260538), (942, 21385921), (1346, 14966967), (1478, 13630269), (2019, 9977978), (2217, 9086846), (4038, 4988989), (4434, 4543423), (6751, 2984082), (13502, 1492041), (20253, 994694), (28939, 696138), (31777, 633966), (40506, 497347), (57878, 348069), (63554, 316983), (86817, 232046), (95331, 211322), (105661, 190662), (116023, 173634)]