20561554944

素因数分解:

$2^9\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 640

約数和(自身を含む): 76366540800

約数和(自身を除く): 55804985856

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 27, 28, 29, 32, 34, 36, 42, 48, 51, 54, 56, 58, 63, 64, 68, 72, 84, 87, 96, 102, 108, 112, 116, 119, 126, 128, 136, 144, 153, 168, 174, 189, 192, 203, 204, 216, 224, 232, 238, 252, 256, 261, 272, 288, 306, 336, 348, 357, 378, 384, 406, 408, 431, 432, 448, 459, 464, 476, 493, 504, 512, 522, 544, 576, 609, 612, 672, 696, 714, 756, 768, 783, 812, 816, 862, 864, 896, 918, 928, 952, 986, 1008, 1044, 1071, 1088, 1152, 1218, 1224, 1293, 1344, 1392, 1428, 1479, 1512, 1536, 1566, 1624, 1632, 1724, 1728, 1792, 1827, 1836, 1856, 1904, 1972, 2016, 2088, 2142, 2176, 2304, 2436, 2448, 2586, 2688, 2784, 2856, 2958, 3017, 3024, 3132, 3213, 3248, 3264, 3448, 3451, 3456, 3584, 3654, 3672, 3712, 3808, 3879, 3944, 4032, 4176, 4284, 4352, 4437, 4608, 4872, 4896, 5172, 5376, 5481, 5568, 5712, 5916, 6034, 6048, 6264, 6426, 6496, 6528, 6896, 6902, 6912, 7308, 7327, 7344, 7424, 7616, 7758, 7888, 8064, 8352, 8568, 8704, 8874, 9051, 9744, 9792, 10344, 10353, 10752, 10962, 11136, 11424, 11637, 11832, 12068, 12096, 12499, 12528, 12852, 12992, 13056, 13311, 13792, 13804, 13824, 14616, 14654, 14688, 14848, 15232, 15516, 15776, 16128, 16704, 17136, 17748, 18102, 19488, 19584, 20688, 20706, 21924, 21981, 22272, 22848, 23274, 23664, 24136, 24192, 24998, 25056, 25704, 25984, 26112, 26622, 27153, 27584, 27608, 29232, 29308, 29376, 30464, 31032, 31059, 31552, 32256, 33408, 34272, 35496, 36204, 37497, 38976, 39168, 41376, 41412, 43848, 43962, 44544, 45696, 46548, 47328, 48272, 48384, 49996, 50112, 51289, 51408, 51968, 53244, 54306, 55168, 55216, 58464, 58616, 58752, 60928, 62064, 62118, 63104, 65943, 66816, 68544, 70992, 72408, 74994, 77952, 78336, 81459, 82752, 82824, 87493, 87696, 87924, 91392, 93096, 93177, 94656, 96544, 96768, 99992, 100224, 102578, 102816, 103936, 106488, 108612, 110336, 110432, 112491, 116928, 117232, 117504, 124128, 124236, 126208, 131886, 133632, 137088, 141984, 144816, 149988, 153867, 155904, 162918, 165504, 165648, 174986, 175392, 175848, 182784, 186192, 186354, 189312, 193088, 197829, 199984, 200448, 205156, 205632, 212483, 212976, 217224, 220672, 220864, 224982, 233856, 234464, 235008, 248256, 248472, 252416, 262479, 263772, 274176, 283968, 289632, 299976, 307734, 311808, 325836, 331008, 331296, 337473, 349972, 350784, 351696, 372384, 372708, 378624, 386176, 395658, 399968, 400896, 410312, 411264, 424966, 425952, 434448, 441728, 449964, 461601, 467712, 468928, 496512, 496944, 524958, 527544, 548352, 567936, 579264, 599952, 615468, 637449, 651672, 662016, 662592, 674946, 699944, 701568, 703392, 744768, 745416, 757248, 772352, 787437, 791316, 799936, 820624, 822528, 849932, 851904, 868896, 883456, 899928, 923202, 935424, 937856, 993024, 993888, 1049916, 1055088, 1135872, 1158528, 1199904, 1230936, 1274898, 1303344, 1325184, 1349892, 1384803, 1399888, 1403136, 1406784, 1487381, 1489536, 1490832, 1544704, 1574874, 1582632, 1599872, 1641248, 1645056, 1699864, 1703808, 1737792, 1766912, 1799856, 1846404, 1875712, 1912347, 1986048, 1987776, 2099832, 2110176, 2271744, 2317056, 2362311, 2399808, 2461872, 2549796, 2606688, 2650368, 2699784, 2769606, 2799776, 2806272, 2813568, 2974762, 2979072, 2981664, 3149748, 3165264, 3199744, 3282496, 3399728, 3407616, 3475584, 3599712, 3692808, 3751424, 3824694, 3975552, 4199664, 4220352, 4462143, 4634112, 4724622, 4799616, 4923744, 5099592, 5213376, 5300736, 5399568, 5539212, 5599552, 5627136, 5737041, 5949524, 5958144, 5963328, 6299496, 6330528, 6399488, 6564992, 6799456, 6815232, 6951168, 7199424, 7385616, 7649388, 7951104, 8399328, 8440704, 8924286, 9449244, 9599232, 9847488, 10199184, 10426752, 10799136, 11078424, 11199104, 11254272, 11474082, 11899048, 11926656, 12598992, 12661056, 13129984, 13386429, 13598912, 13902336, 14398848, 14771232, 15298776, 15902208, 16798656, 16881408, 17848572, 18898488, 19198464, 19694976, 20398368, 20853504, 21598272, 22156848, 22398208, 22948164, 23798096, 23853312, 25197984, 25322112, 26259968, 26772858, 27197824, 28797696, 29542464, 30597552, 33597312, 33762816, 35697144, 37796976, 39389952, 40159287, 40796736, 41707008, 43196544, 44313696, 44796416, 45896328, 47596192, 47706624, 50395968, 50644224, 53545716, 54395648, 57595392, 59084928, 61195104, 67194624, 71394288, 75593952, 78779904, 80318574, 81593472, 86393088, 88627392, 91792656, 95192384, 100791936, 101288448, 107091432, 108791296, 118169856, 122390208, 134389248, 142788576, 151187904, 160637148, 163186944, 172786176, 177254784, 183585312, 190384768, 201583872, 214182864, 236339712, 244780416, 285577152, 302375808, 321274296, 326373888, 354509568, 367170624, 380769536, 403167744, 428365728, 489560832, 571154304, 604751616, 642548592, 709019136, 734341248, 761539072, 856731456, 979121664, 1142308608, 1209503232, 1285097184, 1468682496, 1713462912, 2284617216, 2570194368, 2937364992, 3426925824, 5140388736, 6853851648, 10280777472, 20561554944]

約数ペア:

[(1, 20561554944), (2, 10280777472), (3, 6853851648), (4, 5140388736), (6, 3426925824), (7, 2937364992), (8, 2570194368), (9, 2284617216), (12, 1713462912), (14, 1468682496), (16, 1285097184), (17, 1209503232), (18, 1142308608), (21, 979121664), (24, 856731456), (27, 761539072), (28, 734341248), (29, 709019136), (32, 642548592), (34, 604751616), (36, 571154304), (42, 489560832), (48, 428365728), (51, 403167744), (54, 380769536), (56, 367170624), (58, 354509568), (63, 326373888), (64, 321274296), (68, 302375808), (72, 285577152), (84, 244780416), (87, 236339712), (96, 214182864), (102, 201583872), (108, 190384768), (112, 183585312), (116, 177254784), (119, 172786176), (126, 163186944), (128, 160637148), (136, 151187904), (144, 142788576), (153, 134389248), (168, 122390208), (174, 118169856), (189, 108791296), (192, 107091432), (203, 101288448), (204, 100791936), (216, 95192384), (224, 91792656), (232, 88627392), (238, 86393088), (252, 81593472), (256, 80318574), (261, 78779904), (272, 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(1792, 11474082), (1827, 11254272), (1836, 11199104), (1856, 11078424), (1904, 10799136), (1972, 10426752), (2016, 10199184), (2088, 9847488), (2142, 9599232), (2176, 9449244), (2304, 8924286), (2436, 8440704), (2448, 8399328), (2586, 7951104), (2688, 7649388), (2784, 7385616), (2856, 7199424), (2958, 6951168), (3017, 6815232), (3024, 6799456), (3132, 6564992), (3213, 6399488), (3248, 6330528), (3264, 6299496), (3448, 5963328), (3451, 5958144), (3456, 5949524), (3584, 5737041), (3654, 5627136), (3672, 5599552), (3712, 5539212), (3808, 5399568), (3879, 5300736), (3944, 5213376), (4032, 5099592), (4176, 4923744), (4284, 4799616), (4352, 4724622), (4437, 4634112), (4608, 4462143), (4872, 4220352), (4896, 4199664), (5172, 3975552), (5376, 3824694), (5481, 3751424), (5568, 3692808), (5712, 3599712), (5916, 3475584), (6034, 3407616), (6048, 3399728), (6264, 3282496), (6426, 3199744), (6496, 3165264), (6528, 3149748), (6896, 2981664), (6902, 2979072), (6912, 2974762), (7308, 2813568), (7327, 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(24998, 822528), (25056, 820624), (25704, 799936), (25984, 791316), (26112, 787437), (26622, 772352), (27153, 757248), (27584, 745416), (27608, 744768), (29232, 703392), (29308, 701568), (29376, 699944), (30464, 674946), (31032, 662592), (31059, 662016), (31552, 651672), (32256, 637449), (33408, 615468), (34272, 599952), (35496, 579264), (36204, 567936), (37497, 548352), (38976, 527544), (39168, 524958), (41376, 496944), (41412, 496512), (43848, 468928), (43962, 467712), (44544, 461601), (45696, 449964), (46548, 441728), (47328, 434448), (48272, 425952), (48384, 424966), (49996, 411264), (50112, 410312), (51289, 400896), (51408, 399968), (51968, 395658), (53244, 386176), (54306, 378624), (55168, 372708), (55216, 372384), (58464, 351696), (58616, 350784), (58752, 349972), (60928, 337473), (62064, 331296), (62118, 331008), (63104, 325836), (65943, 311808), (66816, 307734), (68544, 299976), (70992, 289632), (72408, 283968), (74994, 274176), (77952, 263772), (78336, 262479), (81459, 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