20802264

素因数分解:

$2^3\times 3^1\times 7^4\times {\mathrm{19}}^2$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 64030860

約数和(自身を除く): 43228596

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 49, 56, 57, 76, 84, 98, 114, 133, 147, 152, 168, 196, 228, 266, 294, 343, 361, 392, 399, 456, 532, 588, 686, 722, 798, 931, 1029, 1064, 1083, 1176, 1372, 1444, 1596, 1862, 2058, 2166, 2401, 2527, 2744, 2793, 2888, 3192, 3724, 4116, 4332, 4802, 5054, 5586, 6517, 7203, 7448, 7581, 8232, 8664, 9604, 10108, 11172, 13034, 14406, 15162, 17689, 19208, 19551, 20216, 22344, 26068, 28812, 30324, 35378, 39102, 45619, 52136, 53067, 57624, 60648, 70756, 78204, 91238, 106134, 123823, 136857, 141512, 156408, 182476, 212268, 247646, 273714, 364952, 371469, 424536, 495292, 547428, 742938, 866761, 990584, 1094856, 1485876, 1733522, 2600283, 2971752, 3467044, 5200566, 6934088, 10401132, 20802264]

約数ペア:

[(1, 20802264), (2, 10401132), (3, 6934088), (4, 5200566), (6, 3467044), (7, 2971752), (8, 2600283), (12, 1733522), (14, 1485876), (19, 1094856), (21, 990584), (24, 866761), (28, 742938), (38, 547428), (42, 495292), (49, 424536), (56, 371469), (57, 364952), (76, 273714), (84, 247646), (98, 212268), (114, 182476), (133, 156408), (147, 141512), (152, 136857), (168, 123823), (196, 106134), (228, 91238), (266, 78204), (294, 70756), (343, 60648), (361, 57624), (392, 53067), (399, 52136), (456, 45619), (532, 39102), (588, 35378), (686, 30324), (722, 28812), (798, 26068), (931, 22344), (1029, 20216), (1064, 19551), (1083, 19208), (1176, 17689), (1372, 15162), (1444, 14406), (1596, 13034), (1862, 11172), (2058, 10108), (2166, 9604), (2401, 8664), (2527, 8232), (2744, 7581), (2793, 7448), (2888, 7203), (3192, 6517), (3724, 5586), (4116, 5054), (4332, 4802)]