20493198

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 51891840

約数和(自身を除く): 31398642

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 43, 58, 66, 83, 86, 87, 99, 129, 166, 174, 198, 249, 258, 261, 319, 387, 473, 498, 522, 638, 747, 774, 913, 946, 957, 1247, 1419, 1494, 1826, 1914, 2407, 2494, 2739, 2838, 2871, 3569, 3741, 4257, 4814, 5478, 5742, 7138, 7221, 7482, 8217, 8514, 10707, 11223, 13717, 14442, 16434, 21414, 21663, 22446, 26477, 27434, 32121, 39259, 41151, 43326, 52954, 64242, 78518, 79431, 82302, 103501, 117777, 123453, 158862, 207002, 235554, 238293, 246906, 310503, 353331, 476586, 621006, 706662, 931509, 1138511, 1863018, 2277022, 3415533, 6831066, 10246599, 20493198]

約数ペア:

[(1, 20493198), (2, 10246599), (3, 6831066), (6, 3415533), (9, 2277022), (11, 1863018), (18, 1138511), (22, 931509), (29, 706662), (33, 621006), (43, 476586), (58, 353331), (66, 310503), (83, 246906), (86, 238293), (87, 235554), (99, 207002), (129, 158862), (166, 123453), (174, 117777), (198, 103501), (249, 82302), (258, 79431), (261, 78518), (319, 64242), (387, 52954), (473, 43326), (498, 41151), (522, 39259), (638, 32121), (747, 27434), (774, 26477), (913, 22446), (946, 21663), (957, 21414), (1247, 16434), (1419, 14442), (1494, 13717), (1826, 11223), (1914, 10707), (2407, 8514), (2494, 8217), (2739, 7482), (2838, 7221), (2871, 7138), (3569, 5742), (3741, 5478), (4257, 4814)]