20417564288

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{1223}}^1$

素因数の和:1486

約数の個数: 128

約数和(自身を含む): 45304842240

約数和(自身を除く): 24887277952

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 71, 88, 128, 142, 167, 176, 284, 334, 352, 568, 668, 704, 781, 1136, 1223, 1336, 1408, 1562, 1837, 2272, 2446, 2672, 3124, 3674, 4544, 4892, 5344, 6248, 7348, 9088, 9784, 10688, 11857, 12496, 13453, 14696, 19568, 21376, 23714, 24992, 26906, 29392, 39136, 47428, 49984, 53812, 58784, 78272, 86833, 94856, 99968, 107624, 117568, 130427, 156544, 173666, 189712, 204241, 215248, 235136, 260854, 347332, 379424, 408482, 430496, 521708, 694664, 758848, 816964, 860992, 955163, 1043416, 1389328, 1517696, 1633928, 1721984, 1910326, 2086832, 2246651, 2778656, 3267856, 3820652, 4173664, 4493302, 5557312, 6535712, 7641304, 8347328, 8986604, 11114624, 13071424, 14501111, 15282608, 16694656, 17973208, 26142848, 29002222, 30565216, 35946416, 58004444, 61130432, 71892832, 116008888, 122260864, 143785664, 159512221, 232017776, 287571328, 319024442, 464035552, 638048884, 928071104, 1276097768, 1856142208, 2552195536, 5104391072, 10208782144, 20417564288]

約数ペア:

[(1, 20417564288), (2, 10208782144), (4, 5104391072), (8, 2552195536), (11, 1856142208), (16, 1276097768), (22, 928071104), (32, 638048884), (44, 464035552), (64, 319024442), (71, 287571328), (88, 232017776), (128, 159512221), (142, 143785664), (167, 122260864), (176, 116008888), (284, 71892832), (334, 61130432), (352, 58004444), (568, 35946416), (668, 30565216), (704, 29002222), (781, 26142848), (1136, 17973208), (1223, 16694656), (1336, 15282608), (1408, 14501111), (1562, 13071424), (1837, 11114624), (2272, 8986604), (2446, 8347328), (2672, 7641304), (3124, 6535712), (3674, 5557312), (4544, 4493302), (4892, 4173664), (5344, 3820652), (6248, 3267856), (7348, 2778656), (9088, 2246651), (9784, 2086832), (10688, 1910326), (11857, 1721984), (12496, 1633928), (13453, 1517696), (14696, 1389328), (19568, 1043416), (21376, 955163), (23714, 860992), (24992, 816964), (26906, 758848), (29392, 694664), (39136, 521708), (47428, 430496), (49984, 408482), (53812, 379424), (58784, 347332), (78272, 260854), (86833, 235136), (94856, 215248), (99968, 204241), (107624, 189712), (117568, 173666), (130427, 156544)]