20720097216

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1$

素因数の和:418

約数の個数: 896

約数和(自身を含む): 83077263360

約数和(自身を除く): 62357166144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 17, 18, 21, 23, 24, 26, 27, 28, 32, 34, 36, 39, 42, 46, 48, 51, 52, 54, 56, 63, 64, 68, 69, 72, 78, 84, 91, 92, 96, 102, 104, 108, 112, 117, 119, 126, 136, 138, 144, 153, 156, 161, 168, 182, 184, 189, 192, 204, 207, 208, 216, 221, 224, 234, 238, 252, 272, 273, 276, 288, 299, 306, 312, 322, 336, 337, 351, 357, 364, 368, 378, 391, 408, 414, 416, 432, 442, 448, 459, 468, 476, 483, 504, 544, 546, 552, 576, 598, 612, 621, 624, 644, 663, 672, 674, 702, 714, 728, 736, 756, 782, 816, 819, 828, 832, 864, 884, 897, 918, 936, 952, 966, 1008, 1011, 1071, 1088, 1092, 1104, 1173, 1196, 1224, 1242, 1248, 1288, 1326, 1344, 1348, 1404, 1428, 1449, 1456, 1472, 1512, 1547, 1564, 1632, 1638, 1656, 1728, 1768, 1794, 1836, 1872, 1904, 1932, 1989, 2016, 2022, 2093, 2142, 2184, 2208, 2346, 2359, 2392, 2448, 2457, 2484, 2496, 2576, 2652, 2691, 2696, 2737, 2808, 2856, 2898, 2912, 3024, 3033, 3094, 3128, 3213, 3264, 3276, 3312, 3519, 3536, 3588, 3672, 3744, 3808, 3864, 3978, 4032, 4044, 4186, 4284, 4347, 4368, 4381, 4416, 4641, 4692, 4718, 4784, 4896, 4914, 4968, 5083, 5152, 5304, 5382, 5392, 5474, 5616, 5712, 5729, 5796, 5824, 5967, 6048, 6066, 6188, 6256, 6279, 6426, 6552, 6624, 7038, 7072, 7077, 7176, 7344, 7488, 7616, 7728, 7751, 7956, 8073, 8088, 8211, 8372, 8568, 8694, 8736, 8762, 9099, 9282, 9384, 9436, 9568, 9792, 9828, 9936, 10166, 10304, 10557, 10608, 10764, 10784, 10948, 11232, 11424, 11458, 11592, 11934, 12096, 12132, 12376, 12512, 12558, 12852, 13104, 13143, 13248, 13923, 14076, 14144, 14154, 14352, 14688, 15249, 15456, 15502, 15912, 16146, 16176, 16422, 16744, 17136, 17187, 17388, 17472, 17524, 18198, 18564, 18768, 18837, 18872, 19136, 19656, 19872, 20332, 21114, 21216, 21231, 21528, 21568, 21896, 22464, 22848, 22916, 23184, 23253, 23868, 24264, 24633, 24752, 25024, 25116, 25704, 26208, 26286, 27846, 28152, 28308, 28704, 29376, 30498, 30667, 30912, 31004, 31824, 32292, 32352, 32844, 33488, 34272, 34374, 34776, 35048, 35581, 36396, 37128, 37536, 37674, 37744, 39312, 39429, 39744, 40103, 40664, 41769, 42228, 42432, 42462, 43056, 43792, 45747, 45832, 46368, 46506, 47736, 48528, 49266, 49504, 50232, 51408, 51561, 52416, 52572, 54257, 55692, 56304, 56511, 56616, 57408, 60996, 61334, 62008, 63648, 63693, 64584, 64704, 65688, 66976, 68544, 68748, 69552, 69759, 70096, 71162, 72792, 73899, 74256, 74477, 75072, 75348, 75488, 78624, 78858, 80206, 81328, 83538, 84456, 84924, 86112, 87584, 91494, 91664, 92001, 92736, 93012, 95472, 97056, 98532, 99008, 100464, 100763, 102816, 103122, 105144, 106743, 108514, 111384, 112608, 113022, 113232, 118287, 120309, 121992, 122668, 124016, 127296, 127386, 129168, 131376, 131767, 133952, 137241, 137496, 139104, 139518, 140192, 142324, 145584, 147798, 148512, 148954, 150696, 150976, 154683, 157248, 157716, 160412, 162656, 162771, 167076, 168912, 169848, 172224, 175168, 182988, 183328, 184002, 186024, 190944, 194112, 197064, 200928, 201526, 205632, 206244, 209277, 210288, 213486, 217028, 222768, 223431, 225216, 226044, 226464, 236574, 240618, 243984, 245336, 248032, 254772, 258336, 262752, 263534, 274482, 274992, 276003, 278208, 279036, 280384, 284648, 291168, 295596, 297024, 297908, 301392, 302289, 309366, 315432, 320229, 320824, 325312, 325542, 334152, 337824, 339696, 360927, 365976, 366656, 368004, 372048, 381888, 394128, 395301, 401856, 403052, 412488, 418554, 420576, 426972, 434056, 445536, 446862, 452088, 452928, 473148, 481236, 487968, 488313, 490672, 496064, 509544, 516672, 521339, 525504, 527068, 548964, 549984, 552006, 558072, 569296, 582336, 591192, 595816, 602784, 604578, 618732, 630864, 640458, 641648, 651084, 668304, 670293, 675648, 679392, 705341, 721854, 731952, 736008, 744096, 788256, 790602, 806104, 824976, 828009, 837108, 841152, 853944, 868112, 891072, 893724, 904176, 906867, 922369, 946296, 960687, 962472, 975936, 976626, 981344, 1019088, 1042678, 1054136, 1082781, 1097928, 1099968, 1104012, 1116144, 1138592, 1182384, 1185903, 1191632, 1205568, 1209156, 1237464, 1261728, 1280916, 1283296, 1302168, 1336608, 1340586, 1358784, 1410682, 1443708, 1463904, 1464939, 1472016, 1488192, 1564017, 1576512, 1581204, 1612208, 1649952, 1656018, 1674216, 1707888, 1712971, 1736224, 1787448, 1808352, 1813734, 1844738, 1892592, 1921374, 1924944, 1953252, 1962688, 2010879, 2038176, 2085356, 2108272, 2116023, 2165562, 2195856, 2208024, 2232288, 2277184, 2364768, 2371806, 2383264, 2418312, 2474928, 2523456, 2561832, 2566592, 2604336, 2673216, 2681172, 2720601, 2767107, 2821364, 2887416, 2927808, 2929878, 2944032, 3128034, 3162408, 3224416, 3299904, 3312036, 3348432, 3415776, 3425942, 3472448, 3557709, 3574896, 3616704, 3627468, 3689476, 3785184, 3842748, 3849888, 3906504, 4021758, 4076352, 4170712, 4216544, 4232046, 4331124, 4391712, 4416048, 4464576, 4692051, 4729536, 4743612, 4766528, 4836624, 4949856, 5123664, 5138913, 5208672, 5362344, 5441202, 5534214, 5642728, 5774832, 5859756, 5888064, 6256068, 6324816, 6348069, 6448832, 6624072, 6696864, 6831552, 6851884, 7115418, 7149792, 7254936, 7378952, 7570368, 7685496, 7699776, 7813008, 8043516, 8301321, 8341424, 8433088, 8464092, 8662248, 8783424, 8832096, 9384102, 9487224, 9673248, 9899712, 10247328, 10277826, 10417344, 10724688, 10882404, 11068428, 11285456, 11549664, 11719512, 11990797, 12512136, 12649632, 12696138, 13248144, 13393728, 13703768, 14076153, 14230836, 14299584, 14509872, 14757904, 15370992, 15416739, 15626016, 16087032, 16602642, 16682848, 16928184, 17324496, 17664192, 18768204, 18974448, 19044207, 19346496, 20494656, 20555652, 21449376, 21764808, 22136856, 22570912, 23099328, 23439024, 23981594, 24903963, 25024272, 25299264, 25392276, 26496288, 27407536, 28152306, 28461672, 29019744, 29515808, 30741984, 30833478, 31252032, 32174064, 33205284, 33365696, 33856368, 34648992, 35972391, 37536408, 37948896, 38088414, 41111304, 42898752, 43529616, 44273712, 45141824, 46250217, 46878048, 47963188, 49807926, 50048544, 50784552, 52992576, 54815072, 56304612, 56923344, 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約数ペア:

[(1, 20720097216), (2, 10360048608), (3, 6906699072), (4, 5180024304), (6, 3453349536), (7, 2960013888), (8, 2590012152), (9, 2302233024), (12, 1726674768), (13, 1593853632), (14, 1480006944), (16, 1295006076), (17, 1218829248), (18, 1151116512), (21, 986671296), (23, 900873792), (24, 863337384), (26, 796926816), (27, 767411008), (28, 740003472), (32, 647503038), (34, 609414624), (36, 575558256), (39, 531284544), (42, 493335648), (46, 450436896), (48, 431668692), (51, 406276416), (52, 398463408), (54, 383705504), (56, 370001736), (63, 328890432), (64, 323751519), (68, 304707312), (69, 300291264), (72, 287779128), (78, 265642272), (84, 246667824), (91, 227693376), (92, 225218448), (96, 215834346), (102, 203138208), (104, 199231704), (108, 191852752), (112, 185000868), (117, 177094848), (119, 174118464), (126, 164445216), (136, 152353656), (138, 150145632), (144, 143889564), (153, 135425472), (156, 132821136), (161, 128696256), (168, 123333912), (182, 113846688), (184, 112609224), (189, 109630144), (192, 107917173), (204, 101569104), (207, 100097088), (208, 99615852), (216, 95926376), (221, 93756096), (224, 92500434), (234, 88547424), (238, 87059232), (252, 82222608), (272, 76176828), (273, 75897792), (276, 75072816), (288, 71944782), (299, 69297984), (306, 67712736), (312, 66410568), (322, 64348128), (336, 61666956), (337, 61483968), (351, 59031616), (357, 58039488), (364, 56923344), (368, 56304612), (378, 54815072), (391, 52992576), (408, 50784552), (414, 50048544), (416, 49807926), (432, 47963188), (442, 46878048), (448, 46250217), (459, 45141824), (468, 44273712), (476, 43529616), (483, 42898752), (504, 41111304), (544, 38088414), (546, 37948896), (552, 37536408), (576, 35972391), (598, 34648992), (612, 33856368), (621, 33365696), (624, 33205284), (644, 32174064), (663, 31252032), (672, 30833478), (674, 30741984), (702, 29515808), (714, 29019744), (728, 28461672), (736, 28152306), (756, 27407536), (782, 26496288), (816, 25392276), (819, 25299264), (828, 25024272), (832, 24903963), (864, 23981594), (884, 23439024), (897, 23099328), (918, 22570912), (936, 22136856), (952, 21764808), (966, 21449376), (1008, 20555652), (1011, 20494656), (1071, 19346496), (1088, 19044207), (1092, 18974448), (1104, 18768204), (1173, 17664192), (1196, 17324496), (1224, 16928184), (1242, 16682848), (1248, 16602642), (1288, 16087032), (1326, 15626016), (1344, 15416739), (1348, 15370992), (1404, 14757904), (1428, 14509872), (1449, 14299584), (1456, 14230836), (1472, 14076153), (1512, 13703768), (1547, 13393728), (1564, 13248144), (1632, 12696138), (1638, 12649632), (1656, 12512136), (1728, 11990797), (1768, 11719512), (1794, 11549664), (1836, 11285456), (1872, 11068428), (1904, 10882404), (1932, 10724688), (1989, 10417344), (2016, 10277826), (2022, 10247328), (2093, 9899712), (2142, 9673248), (2184, 9487224), (2208, 9384102), (2346, 8832096), (2359, 8783424), (2392, 8662248), (2448, 8464092), (2457, 8433088), (2484, 8341424), (2496, 8301321), (2576, 8043516), (2652, 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(7038, 2944032), (7072, 2929878), (7077, 2927808), (7176, 2887416), (7344, 2821364), (7488, 2767107), (7616, 2720601), (7728, 2681172), (7751, 2673216), (7956, 2604336), (8073, 2566592), (8088, 2561832), (8211, 2523456), (8372, 2474928), (8568, 2418312), (8694, 2383264), (8736, 2371806), (8762, 2364768), (9099, 2277184), (9282, 2232288), (9384, 2208024), (9436, 2195856), (9568, 2165562), (9792, 2116023), (9828, 2108272), (9936, 2085356), (10166, 2038176), (10304, 2010879), (10557, 1962688), (10608, 1953252), (10764, 1924944), (10784, 1921374), (10948, 1892592), (11232, 1844738), (11424, 1813734), (11458, 1808352), (11592, 1787448), (11934, 1736224), (12096, 1712971), (12132, 1707888), (12376, 1674216), (12512, 1656018), (12558, 1649952), (12852, 1612208), (13104, 1581204), (13143, 1576512), (13248, 1564017), (13923, 1488192), (14076, 1472016), (14144, 1464939), (14154, 1463904), (14352, 1443708), (14688, 1410682), (15249, 1358784), (15456, 1340586), (15502, 1336608), (15912, 1302168), (16146, 1283296), (16176, 1280916), (16422, 1261728), (16744, 1237464), (17136, 1209156), (17187, 1205568), (17388, 1191632), (17472, 1185903), (17524, 1182384), (18198, 1138592), (18564, 1116144), (18768, 1104012), (18837, 1099968), (18872, 1097928), (19136, 1082781), (19656, 1054136), (19872, 1042678), (20332, 1019088), (21114, 981344), (21216, 976626), (21231, 975936), (21528, 962472), (21568, 960687), (21896, 946296), (22464, 922369), (22848, 906867), (22916, 904176), (23184, 893724), (23253, 891072), (23868, 868112), (24264, 853944), (24633, 841152), (24752, 837108), (25024, 828009), (25116, 824976), (25704, 806104), (26208, 790602), (26286, 788256), (27846, 744096), (28152, 736008), (28308, 731952), (28704, 721854), (29376, 705341), (30498, 679392), (30667, 675648), (30912, 670293), (31004, 668304), (31824, 651084), (32292, 641648), (32352, 640458), (32844, 630864), (33488, 618732), (34272, 604578), (34374, 602784), (34776, 595816), (35048, 591192), (35581, 582336), (36396, 569296), (37128, 558072), (37536, 552006), (37674, 549984), (37744, 548964), (39312, 527068), (39429, 525504), (39744, 521339), (40103, 516672), (40664, 509544), (41769, 496064), (42228, 490672), (42432, 488313), (42462, 487968), (43056, 481236), (43792, 473148), (45747, 452928), (45832, 452088), (46368, 446862), (46506, 445536), (47736, 434056), (48528, 426972), (49266, 420576), (49504, 418554), (50232, 412488), (51408, 403052), (51561, 401856), (52416, 395301), (52572, 394128), (54257, 381888), (55692, 372048), (56304, 368004), (56511, 366656), (56616, 365976), (57408, 360927), (60996, 339696), (61334, 337824), (62008, 334152), (63648, 325542), (63693, 325312), (64584, 320824), (64704, 320229), (65688, 315432), (66976, 309366), (68544, 302289), (68748, 301392), (69552, 297908), (69759, 297024), (70096, 295596), (71162, 291168), (72792, 284648), (73899, 280384), (74256, 279036), (74477, 278208), (75072, 276003), (75348, 274992), (75488, 274482), (78624, 263534), (78858, 262752), (80206, 258336), (81328, 254772), (83538, 248032), (84456, 245336), (84924, 243984), (86112, 240618), (87584, 236574), (91494, 226464), (91664, 226044), (92001, 225216), (92736, 223431), (93012, 222768), (95472, 217028), (97056, 213486), (98532, 210288), (99008, 209277), (100464, 206244), (100763, 205632), (102816, 201526), (103122, 200928), (105144, 197064), (106743, 194112), (108514, 190944), (111384, 186024), (112608, 184002), (113022, 183328), (113232, 182988), (118287, 175168), (120309, 172224), (121992, 169848), (122668, 168912), (124016, 167076), (127296, 162771), (127386, 162656), (129168, 160412), (131376, 157716), (131767, 157248), (133952, 154683), (137241, 150976), (137496, 150696), (139104, 148954), (139518, 148512), (140192, 147798), (142324, 145584)]