20496294

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 57953280

約数和(自身を除く): 37456986

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 43, 54, 63, 78, 86, 91, 97, 117, 126, 129, 182, 189, 194, 234, 258, 273, 291, 301, 351, 378, 387, 546, 559, 582, 602, 679, 702, 774, 819, 873, 903, 1118, 1161, 1261, 1358, 1638, 1677, 1746, 1806, 2037, 2322, 2457, 2522, 2619, 2709, 3354, 3783, 3913, 4074, 4171, 4914, 5031, 5238, 5418, 6111, 7566, 7826, 8127, 8342, 8827, 10062, 11349, 11739, 12222, 12513, 15093, 16254, 17654, 18333, 22698, 23478, 25026, 26481, 29197, 30186, 34047, 35217, 36666, 37539, 52962, 54223, 58394, 68094, 70434, 75078, 79443, 87591, 105651, 108446, 112617, 158886, 162669, 175182, 211302, 225234, 238329, 262773, 325338, 379561, 476658, 488007, 525546, 759122, 788319, 976014, 1138683, 1464021, 1576638, 2277366, 2928042, 3416049, 6832098, 10248147, 20496294]

約数ペア:

[(1, 20496294), (2, 10248147), (3, 6832098), (6, 3416049), (7, 2928042), (9, 2277366), (13, 1576638), (14, 1464021), (18, 1138683), (21, 976014), (26, 788319), (27, 759122), (39, 525546), (42, 488007), (43, 476658), (54, 379561), (63, 325338), (78, 262773), (86, 238329), (91, 225234), (97, 211302), (117, 175182), (126, 162669), (129, 158886), (182, 112617), (189, 108446), (194, 105651), (234, 87591), (258, 79443), (273, 75078), (291, 70434), (301, 68094), (351, 58394), (378, 54223), (387, 52962), (546, 37539), (559, 36666), (582, 35217), (602, 34047), (679, 30186), (702, 29197), (774, 26481), (819, 25026), (873, 23478), (903, 22698), (1118, 18333), (1161, 17654), (1261, 16254), (1358, 15093), (1638, 12513), (1677, 12222), (1746, 11739), (1806, 11349), (2037, 10062), (2322, 8827), (2457, 8342), (2522, 8127), (2619, 7826), (2709, 7566), (3354, 6111), (3783, 5418), (3913, 5238), (4074, 5031), (4171, 4914)]