20164284

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 62899200

約数和(自身を除く): 42734916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 49, 63, 69, 71, 84, 92, 98, 126, 138, 142, 147, 161, 196, 207, 213, 252, 276, 284, 294, 322, 343, 414, 426, 441, 483, 497, 588, 639, 644, 686, 828, 852, 882, 966, 994, 1029, 1127, 1278, 1372, 1449, 1491, 1633, 1764, 1932, 1988, 2058, 2254, 2556, 2898, 2982, 3087, 3266, 3381, 3479, 4116, 4473, 4508, 4899, 5796, 5964, 6174, 6532, 6762, 6958, 7889, 8946, 9798, 10143, 10437, 11431, 12348, 13524, 13916, 14697, 15778, 17892, 19596, 20286, 20874, 22862, 23667, 24353, 29394, 31311, 31556, 34293, 40572, 41748, 45724, 47334, 48706, 58788, 62622, 68586, 71001, 73059, 80017, 94668, 97412, 102879, 125244, 137172, 142002, 146118, 160034, 205758, 219177, 240051, 284004, 292236, 320068, 411516, 438354, 480102, 560119, 720153, 876708, 960204, 1120238, 1440306, 1680357, 2240476, 2880612, 3360714, 5041071, 6721428, 10082142, 20164284]

約数ペア:

[(1, 20164284), (2, 10082142), (3, 6721428), (4, 5041071), (6, 3360714), (7, 2880612), (9, 2240476), (12, 1680357), (14, 1440306), (18, 1120238), (21, 960204), (23, 876708), (28, 720153), (36, 560119), (42, 480102), (46, 438354), (49, 411516), (63, 320068), (69, 292236), (71, 284004), (84, 240051), (92, 219177), (98, 205758), (126, 160034), (138, 146118), (142, 142002), (147, 137172), (161, 125244), (196, 102879), (207, 97412), (213, 94668), (252, 80017), (276, 73059), (284, 71001), (294, 68586), (322, 62622), (343, 58788), (414, 48706), (426, 47334), (441, 45724), (483, 41748), (497, 40572), (588, 34293), (639, 31556), (644, 31311), (686, 29394), (828, 24353), (852, 23667), (882, 22862), (966, 20874), (994, 20286), (1029, 19596), (1127, 17892), (1278, 15778), (1372, 14697), (1449, 13916), (1491, 13524), (1633, 12348), (1764, 11431), (1932, 10437), (1988, 10143), (2058, 9798), (2254, 8946), (2556, 7889), (2898, 6958), (2982, 6762), (3087, 6532), (3266, 6174), (3381, 5964), (3479, 5796), (4116, 4899), (4473, 4508)]