20042568

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:81

約数の個数: 288

約数和(自身を含む): 74692800

約数和(自身を除く): 54650232

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 23, 24, 26, 28, 36, 38, 39, 42, 46, 49, 52, 56, 57, 63, 69, 72, 76, 78, 84, 91, 92, 98, 104, 114, 117, 126, 133, 138, 147, 152, 156, 161, 168, 171, 182, 184, 196, 207, 228, 234, 247, 252, 266, 273, 276, 294, 299, 312, 322, 342, 364, 392, 399, 414, 437, 441, 456, 468, 483, 494, 504, 532, 546, 552, 588, 598, 637, 644, 684, 728, 741, 798, 819, 828, 874, 882, 897, 931, 936, 966, 988, 1064, 1092, 1127, 1176, 1196, 1197, 1274, 1288, 1311, 1368, 1449, 1482, 1596, 1638, 1656, 1729, 1748, 1764, 1794, 1862, 1911, 1932, 1976, 2093, 2184, 2223, 2254, 2392, 2394, 2548, 2622, 2691, 2793, 2898, 2964, 3059, 3192, 3276, 3381, 3458, 3496, 3528, 3588, 3724, 3822, 3864, 3933, 4186, 4446, 4508, 4788, 5096, 5187, 5244, 5382, 5586, 5681, 5733, 5796, 5928, 6118, 6279, 6552, 6762, 6916, 7176, 7448, 7644, 7866, 8372, 8379, 8892, 9016, 9177, 9576, 10143, 10374, 10488, 10764, 11172, 11362, 11466, 11592, 12103, 12236, 12558, 13524, 13832, 14651, 15288, 15561, 15732, 16744, 16758, 17043, 17784, 18354, 18837, 20286, 20748, 21413, 21528, 22344, 22724, 22932, 24206, 24472, 25116, 27048, 27531, 29302, 31122, 31464, 33516, 34086, 36309, 36708, 37674, 39767, 40572, 41496, 42826, 43953, 45448, 45864, 48412, 50232, 51129, 55062, 58604, 62244, 64239, 67032, 68172, 72618, 73416, 75348, 79534, 81144, 85652, 87906, 96824, 102258, 108927, 110124, 117208, 119301, 124488, 128478, 131859, 136344, 145236, 150696, 159068, 171304, 175812, 192717, 204516, 217854, 220248, 238602, 256956, 263718, 278369, 290472, 318136, 351624, 357903, 385434, 409032, 435708, 477204, 513912, 527436, 556738, 715806, 770868, 835107, 871416, 954408, 1054872, 1113476, 1431612, 1541736, 1670214, 2226952, 2505321, 2863224, 3340428, 5010642, 6680856, 10021284, 20042568]

約数ペア:

[(1, 20042568), (2, 10021284), (3, 6680856), (4, 5010642), (6, 3340428), (7, 2863224), (8, 2505321), (9, 2226952), (12, 1670214), (13, 1541736), (14, 1431612), (18, 1113476), (19, 1054872), (21, 954408), (23, 871416), (24, 835107), (26, 770868), (28, 715806), (36, 556738), (38, 527436), (39, 513912), (42, 477204), (46, 435708), (49, 409032), (52, 385434), (56, 357903), (57, 351624), (63, 318136), (69, 290472), (72, 278369), (76, 263718), (78, 256956), (84, 238602), (91, 220248), (92, 217854), (98, 204516), (104, 192717), (114, 175812), (117, 171304), (126, 159068), (133, 150696), (138, 145236), (147, 136344), (152, 131859), (156, 128478), (161, 124488), (168, 119301), (171, 117208), (182, 110124), (184, 108927), (196, 102258), (207, 96824), (228, 87906), (234, 85652), (247, 81144), (252, 79534), (266, 75348), (273, 73416), (276, 72618), (294, 68172), (299, 67032), (312, 64239), (322, 62244), (342, 58604), (364, 55062), (392, 51129), (399, 50232), (414, 48412), (437, 45864), (441, 45448), (456, 43953), (468, 42826), (483, 41496), (494, 40572), (504, 39767), (532, 37674), (546, 36708), (552, 36309), (588, 34086), (598, 33516), (637, 31464), (644, 31122), (684, 29302), (728, 27531), (741, 27048), (798, 25116), (819, 24472), (828, 24206), (874, 22932), (882, 22724), (897, 22344), (931, 21528), (936, 21413), (966, 20748), (988, 20286), (1064, 18837), (1092, 18354), (1127, 17784), (1176, 17043), (1196, 16758), (1197, 16744), (1274, 15732), (1288, 15561), (1311, 15288), (1368, 14651), (1449, 13832), (1482, 13524), (1596, 12558), (1638, 12236), (1656, 12103), (1729, 11592), (1748, 11466), (1764, 11362), (1794, 11172), (1862, 10764), (1911, 10488), (1932, 10374), (1976, 10143), (2093, 9576), (2184, 9177), (2223, 9016), (2254, 8892), (2392, 8379), (2394, 8372), (2548, 7866), (2622, 7644), (2691, 7448), (2793, 7176), (2898, 6916), (2964, 6762), (3059, 6552), (3192, 6279), (3276, 6118), (3381, 5928), (3458, 5796), (3496, 5733), (3528, 5681), (3588, 5586), (3724, 5382), (3822, 5244), (3864, 5187), (3933, 5096), (4186, 4788), (4446, 4508)]