20883459969

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{28493}}^1$

素因数の和:28638

約数の個数: 48

約数和(自身を含む): 32431186944

約数和(自身を除く): 11547726975

約数列:

[1, 3, 9, 31, 37, 71, 93, 111, 213, 279, 333, 639, 1147, 2201, 2627, 3441, 6603, 7881, 10323, 19809, 23643, 28493, 81437, 85479, 244311, 256437, 732933, 883283, 1054241, 2023003, 2649849, 3162723, 6069009, 7949547, 9488169, 18207027, 32681471, 62713093, 74851111, 98044413, 188139279, 224553333, 294133239, 564417837, 673659999, 2320384441, 6961153323, 20883459969]

約数ペア:

[(1, 20883459969), (3, 6961153323), (9, 2320384441), (31, 673659999), (37, 564417837), (71, 294133239), (93, 224553333), (111, 188139279), (213, 98044413), (279, 74851111), (333, 62713093), (639, 32681471), (1147, 18207027), (2201, 9488169), (2627, 7949547), (3441, 6069009), (6603, 3162723), (7881, 2649849), (10323, 2023003), (19809, 1054241), (23643, 883283), (28493, 732933), (81437, 256437), (85479, 244311)]