20280508416

素因数分解:

$2^{20}\times 3^2\times 7^1\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 252

約数和(自身を含む): 67175940832

約数和(自身を除く): 46895432416

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 256, 288, 307, 336, 384, 448, 504, 512, 576, 614, 672, 768, 896, 921, 1008, 1024, 1152, 1228, 1344, 1536, 1792, 1842, 2016, 2048, 2149, 2304, 2456, 2688, 2763, 3072, 3584, 3684, 4032, 4096, 4298, 4608, 4912, 5376, 5526, 6144, 6447, 7168, 7368, 8064, 8192, 8596, 9216, 9824, 10752, 11052, 12288, 12894, 14336, 14736, 16128, 16384, 17192, 18432, 19341, 19648, 21504, 22104, 24576, 25788, 28672, 29472, 32256, 32768, 34384, 36864, 38682, 39296, 43008, 44208, 49152, 51576, 57344, 58944, 64512, 65536, 68768, 73728, 77364, 78592, 86016, 88416, 98304, 103152, 114688, 117888, 129024, 131072, 137536, 147456, 154728, 157184, 172032, 176832, 196608, 206304, 229376, 235776, 258048, 262144, 275072, 294912, 309456, 314368, 344064, 353664, 393216, 412608, 458752, 471552, 516096, 524288, 550144, 589824, 618912, 628736, 688128, 707328, 786432, 825216, 917504, 943104, 1032192, 1048576, 1100288, 1179648, 1237824, 1257472, 1376256, 1414656, 1572864, 1650432, 1835008, 1886208, 2064384, 2200576, 2359296, 2475648, 2514944, 2752512, 2829312, 3145728, 3300864, 3670016, 3772416, 4128768, 4401152, 4718592, 4951296, 5029888, 5505024, 5658624, 6601728, 7340032, 7544832, 8257536, 8802304, 9437184, 9902592, 10059776, 11010048, 11317248, 13203456, 15089664, 16515072, 17604608, 19805184, 20119552, 22020096, 22634496, 26406912, 30179328, 33030144, 35209216, 39610368, 40239104, 45268992, 52813824, 60358656, 66060288, 70418432, 79220736, 80478208, 90537984, 105627648, 120717312, 140836864, 158441472, 160956416, 181075968, 211255296, 241434624, 281673728, 316882944, 321912832, 362151936, 422510592, 482869248, 563347456, 633765888, 724303872, 845021184, 965738496, 1126694912, 1267531776, 1448607744, 1690042368, 2253389824, 2535063552, 2897215488, 3380084736, 5070127104, 6760169472, 10140254208, 20280508416]

約数ペア:

[(1, 20280508416), (2, 10140254208), (3, 6760169472), (4, 5070127104), (6, 3380084736), (7, 2897215488), (8, 2535063552), (9, 2253389824), (12, 1690042368), (14, 1448607744), (16, 1267531776), (18, 1126694912), (21, 965738496), (24, 845021184), (28, 724303872), (32, 633765888), (36, 563347456), (42, 482869248), (48, 422510592), (56, 362151936), (63, 321912832), (64, 316882944), (72, 281673728), (84, 241434624), (96, 211255296), (112, 181075968), (126, 160956416), (128, 158441472), (144, 140836864), (168, 120717312), (192, 105627648), (224, 90537984), (252, 80478208), (256, 79220736), (288, 70418432), (307, 66060288), (336, 60358656), (384, 52813824), (448, 45268992), (504, 40239104), (512, 39610368), (576, 35209216), (614, 33030144), (672, 30179328), (768, 26406912), (896, 22634496), (921, 22020096), (1008, 20119552), (1024, 19805184), (1152, 17604608), (1228, 16515072), (1344, 15089664), (1536, 13203456), (1792, 11317248), (1842, 11010048), (2016, 10059776), (2048, 9902592), (2149, 9437184), (2304, 8802304), (2456, 8257536), (2688, 7544832), (2763, 7340032), (3072, 6601728), (3584, 5658624), (3684, 5505024), (4032, 5029888), (4096, 4951296), (4298, 4718592), (4608, 4401152), (4912, 4128768), (5376, 3772416), (5526, 3670016), (6144, 3300864), (6447, 3145728), (7168, 2829312), (7368, 2752512), (8064, 2514944), (8192, 2475648), (8596, 2359296), (9216, 2200576), (9824, 2064384), (10752, 1886208), (11052, 1835008), (12288, 1650432), (12894, 1572864), (14336, 1414656), (14736, 1376256), (16128, 1257472), (16384, 1237824), (17192, 1179648), (18432, 1100288), (19341, 1048576), (19648, 1032192), (21504, 943104), (22104, 917504), (24576, 825216), (25788, 786432), (28672, 707328), (29472, 688128), (32256, 628736), (32768, 618912), (34384, 589824), (36864, 550144), (38682, 524288), (39296, 516096), (43008, 471552), (44208, 458752), (49152, 412608), (51576, 393216), (57344, 353664), (58944, 344064), (64512, 314368), (65536, 309456), (68768, 294912), (73728, 275072), (77364, 262144), (78592, 258048), (86016, 235776), (88416, 229376), (98304, 206304), (103152, 196608), (114688, 176832), (117888, 172032), (129024, 157184), (131072, 154728), (137536, 147456)]