20512781352

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:625

約数の個数: 384

約数和(自身を含む): 68418604800

約数和(自身を除く): 47905823448

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 29, 36, 37, 42, 56, 58, 63, 72, 74, 83, 84, 87, 111, 116, 126, 148, 166, 168, 174, 203, 222, 232, 249, 252, 259, 261, 296, 332, 333, 348, 406, 444, 457, 498, 504, 518, 522, 581, 609, 664, 666, 696, 747, 777, 812, 888, 914, 996, 1036, 1044, 1073, 1162, 1218, 1332, 1371, 1494, 1554, 1624, 1743, 1827, 1828, 1992, 2072, 2088, 2146, 2324, 2331, 2407, 2436, 2664, 2742, 2988, 3071, 3108, 3199, 3219, 3486, 3654, 3656, 4113, 4292, 4648, 4662, 4814, 4872, 5229, 5484, 5976, 6142, 6216, 6398, 6438, 6972, 7221, 7308, 7511, 8226, 8584, 9213, 9324, 9597, 9628, 9657, 10458, 10968, 12284, 12796, 12876, 13253, 13944, 14442, 14616, 15022, 16452, 16849, 16909, 18426, 18648, 19194, 19256, 19314, 20916, 21497, 21663, 22533, 24568, 25592, 25752, 26506, 27639, 28791, 28884, 30044, 32904, 33698, 33818, 36852, 37931, 38388, 38628, 39759, 41832, 42994, 43326, 45066, 50547, 50727, 53012, 55278, 57582, 57768, 60088, 64491, 67396, 67599, 67636, 73704, 75862, 76776, 77256, 79518, 85988, 86652, 89059, 90132, 92771, 101094, 101454, 106024, 110556, 113793, 115164, 118363, 119277, 128982, 134792, 135198, 135272, 151641, 151724, 152181, 159036, 171976, 173304, 178118, 180264, 185542, 193473, 202188, 202908, 221112, 227586, 230328, 236726, 238554, 257964, 265517, 267177, 270396, 278313, 303282, 303448, 304362, 318072, 341379, 355089, 356236, 371084, 386946, 404376, 405816, 455172, 473452, 477108, 490361, 515928, 531034, 534354, 540792, 556626, 606564, 608724, 623413, 682758, 710178, 712472, 742168, 773892, 796551, 801531, 834939, 910344, 946904, 954216, 980722, 1062068, 1065267, 1068708, 1099999, 1113252, 1213128, 1217448, 1246826, 1365516, 1403447, 1420356, 1471083, 1547784, 1593102, 1603062, 1669878, 1870239, 1961444, 2124136, 2130534, 2137416, 2199998, 2226504, 2389653, 2493652, 2731032, 2806894, 2840712, 2942166, 3186204, 3206124, 3299997, 3339756, 3432527, 3740478, 3922888, 4210341, 4261068, 4399996, 4413249, 4779306, 4987304, 5610717, 5613788, 5884332, 6372408, 6412248, 6599994, 6679512, 6865054, 7480956, 7699993, 8420682, 8522136, 8799992, 8826498, 9558612, 9824129, 9899991, 10297581, 11221434, 11227576, 11768664, 12631023, 13199988, 13730108, 14961912, 15399986, 16841364, 17652996, 19117224, 19648258, 19799982, 20595162, 22442868, 23099979, 25262046, 26399976, 27460216, 29472387, 30799972, 30892743, 33682728, 35305992, 39296516, 39599964, 40699963, 41190324, 44885736, 46199958, 50524092, 58944774, 61599944, 61785486, 69299937, 78593032, 79199928, 81399926, 82380648, 88417161, 92399916, 101048184, 117889548, 122099889, 123570972, 138599874, 162799852, 176834322, 184799832, 235779096, 244199778, 247141944, 277199748, 284899741, 325599704, 353668644, 366299667, 488399556, 554399496, 569799482, 707337288, 732599334, 854699223, 976799112, 1139598964, 1465198668, 1709398446, 2279197928, 2564097669, 2930397336, 3418796892, 5128195338, 6837593784, 10256390676, 20512781352]

約数ペア:

[(1, 20512781352), (2, 10256390676), (3, 6837593784), (4, 5128195338), (6, 3418796892), (7, 2930397336), (8, 2564097669), (9, 2279197928), (12, 1709398446), (14, 1465198668), (18, 1139598964), (21, 976799112), (24, 854699223), (28, 732599334), (29, 707337288), (36, 569799482), (37, 554399496), (42, 488399556), (56, 366299667), (58, 353668644), (63, 325599704), (72, 284899741), (74, 277199748), (83, 247141944), (84, 244199778), (87, 235779096), (111, 184799832), (116, 176834322), (126, 162799852), (148, 138599874), (166, 123570972), (168, 122099889), (174, 117889548), (203, 101048184), (222, 92399916), (232, 88417161), (249, 82380648), (252, 81399926), (259, 79199928), (261, 78593032), (296, 69299937), (332, 61785486), (333, 61599944), (348, 58944774), (406, 50524092), (444, 46199958), (457, 44885736), (498, 41190324), (504, 40699963), (518, 39599964), (522, 39296516), (581, 35305992), (609, 33682728), (664, 30892743), (666, 30799972), (696, 29472387), (747, 27460216), (777, 26399976), (812, 25262046), (888, 23099979), (914, 22442868), (996, 20595162), (1036, 19799982), (1044, 19648258), (1073, 19117224), (1162, 17652996), (1218, 16841364), (1332, 15399986), (1371, 14961912), (1494, 13730108), (1554, 13199988), (1624, 12631023), (1743, 11768664), (1827, 11227576), (1828, 11221434), (1992, 10297581), (2072, 9899991), (2088, 9824129), (2146, 9558612), (2324, 8826498), (2331, 8799992), (2407, 8522136), (2436, 8420682), (2664, 7699993), (2742, 7480956), (2988, 6865054), (3071, 6679512), (3108, 6599994), (3199, 6412248), (3219, 6372408), (3486, 5884332), (3654, 5613788), (3656, 5610717), (4113, 4987304), (4292, 4779306), (4648, 4413249), (4662, 4399996), (4814, 4261068), (4872, 4210341), (5229, 3922888), (5484, 3740478), (5976, 3432527), (6142, 3339756), (6216, 3299997), (6398, 3206124), (6438, 3186204), (6972, 2942166), (7221, 2840712), (7308, 2806894), (7511, 2731032), (8226, 2493652), (8584, 2389653), (9213, 2226504), (9324, 2199998), (9597, 2137416), (9628, 2130534), (9657, 2124136), (10458, 1961444), (10968, 1870239), (12284, 1669878), (12796, 1603062), (12876, 1593102), (13253, 1547784), (13944, 1471083), (14442, 1420356), (14616, 1403447), (15022, 1365516), (16452, 1246826), (16849, 1217448), (16909, 1213128), (18426, 1113252), (18648, 1099999), (19194, 1068708), (19256, 1065267), (19314, 1062068), (20916, 980722), (21497, 954216), (21663, 946904), (22533, 910344), (24568, 834939), (25592, 801531), (25752, 796551), (26506, 773892), (27639, 742168), (28791, 712472), (28884, 710178), (30044, 682758), (32904, 623413), (33698, 608724), (33818, 606564), (36852, 556626), (37931, 540792), (38388, 534354), (38628, 531034), (39759, 515928), (41832, 490361), (42994, 477108), (43326, 473452), (45066, 455172), (50547, 405816), (50727, 404376), (53012, 386946), (55278, 371084), (57582, 356236), (57768, 355089), (60088, 341379), (64491, 318072), (67396, 304362), (67599, 303448), (67636, 303282), (73704, 278313), (75862, 270396), (76776, 267177), (77256, 265517), (79518, 257964), (85988, 238554), (86652, 236726), (89059, 230328), (90132, 227586), (92771, 221112), (101094, 202908), (101454, 202188), (106024, 193473), (110556, 185542), (113793, 180264), (115164, 178118), (118363, 173304), (119277, 171976), (128982, 159036), (134792, 152181), (135198, 151724), (135272, 151641)]