20500021248

素因数分解:

$2^{15}\times 3^1\times 7^1\times {\mathrm{31}}^3$

素因数の和:133

約数の個数: 256

約数和(自身を含む): 64557742080

約数和(自身を除く): 44057720832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 62, 64, 84, 93, 96, 112, 124, 128, 168, 186, 192, 217, 224, 248, 256, 336, 372, 384, 434, 448, 496, 512, 651, 672, 744, 768, 868, 896, 961, 992, 1024, 1302, 1344, 1488, 1536, 1736, 1792, 1922, 1984, 2048, 2604, 2688, 2883, 2976, 3072, 3472, 3584, 3844, 3968, 4096, 5208, 5376, 5766, 5952, 6144, 6727, 6944, 7168, 7688, 7936, 8192, 10416, 10752, 11532, 11904, 12288, 13454, 13888, 14336, 15376, 15872, 16384, 20181, 20832, 21504, 23064, 23808, 24576, 26908, 27776, 28672, 29791, 30752, 31744, 32768, 40362, 41664, 43008, 46128, 47616, 49152, 53816, 55552, 57344, 59582, 61504, 63488, 80724, 83328, 86016, 89373, 92256, 95232, 98304, 107632, 111104, 114688, 119164, 123008, 126976, 161448, 166656, 172032, 178746, 184512, 190464, 208537, 215264, 222208, 229376, 238328, 246016, 253952, 322896, 333312, 344064, 357492, 369024, 380928, 417074, 430528, 444416, 476656, 492032, 507904, 625611, 645792, 666624, 688128, 714984, 738048, 761856, 834148, 861056, 888832, 953312, 984064, 1015808, 1251222, 1291584, 1333248, 1429968, 1476096, 1523712, 1668296, 1722112, 1777664, 1906624, 1968128, 2502444, 2583168, 2666496, 2859936, 2952192, 3047424, 3336592, 3444224, 3555328, 3813248, 3936256, 5004888, 5166336, 5332992, 5719872, 5904384, 6673184, 6888448, 7110656, 7626496, 7872512, 10009776, 10332672, 10665984, 11439744, 11808768, 13346368, 13776896, 15252992, 15745024, 20019552, 20665344, 21331968, 22879488, 23617536, 26692736, 27553792, 30505984, 31490048, 40039104, 41330688, 45758976, 47235072, 53385472, 55107584, 61011968, 80078208, 82661376, 91517952, 94470144, 106770944, 110215168, 122023936, 160156416, 165322752, 183035904, 213541888, 220430336, 244047872, 320312832, 330645504, 366071808, 427083776, 488095744, 640625664, 661291008, 732143616, 854167552, 976191488, 1281251328, 1464287232, 1708335104, 2562502656, 2928574464, 3416670208, 5125005312, 6833340416, 10250010624, 20500021248]

約数ペア:

[(1, 20500021248), (2, 10250010624), (3, 6833340416), (4, 5125005312), (6, 3416670208), (7, 2928574464), (8, 2562502656), (12, 1708335104), (14, 1464287232), (16, 1281251328), (21, 976191488), (24, 854167552), (28, 732143616), (31, 661291008), (32, 640625664), (42, 488095744), (48, 427083776), (56, 366071808), (62, 330645504), (64, 320312832), (84, 244047872), (93, 220430336), (96, 213541888), (112, 183035904), (124, 165322752), (128, 160156416), (168, 122023936), (186, 110215168), (192, 106770944), (217, 94470144), (224, 91517952), (248, 82661376), (256, 80078208), (336, 61011968), (372, 55107584), (384, 53385472), (434, 47235072), (448, 45758976), (496, 41330688), (512, 40039104), (651, 31490048), (672, 30505984), (744, 27553792), (768, 26692736), (868, 23617536), (896, 22879488), (961, 21331968), (992, 20665344), (1024, 20019552), (1302, 15745024), (1344, 15252992), (1488, 13776896), (1536, 13346368), (1736, 11808768), (1792, 11439744), (1922, 10665984), (1984, 10332672), (2048, 10009776), (2604, 7872512), (2688, 7626496), (2883, 7110656), (2976, 6888448), (3072, 6673184), (3472, 5904384), (3584, 5719872), (3844, 5332992), (3968, 5166336), (4096, 5004888), (5208, 3936256), (5376, 3813248), (5766, 3555328), (5952, 3444224), (6144, 3336592), (6727, 3047424), (6944, 2952192), (7168, 2859936), (7688, 2666496), (7936, 2583168), (8192, 2502444), (10416, 1968128), (10752, 1906624), (11532, 1777664), (11904, 1722112), (12288, 1668296), (13454, 1523712), (13888, 1476096), (14336, 1429968), (15376, 1333248), (15872, 1291584), (16384, 1251222), (20181, 1015808), (20832, 984064), (21504, 953312), (23064, 888832), (23808, 861056), (24576, 834148), (26908, 761856), (27776, 738048), (28672, 714984), (29791, 688128), (30752, 666624), (31744, 645792), (32768, 625611), (40362, 507904), (41664, 492032), (43008, 476656), (46128, 444416), (47616, 430528), (49152, 417074), (53816, 380928), (55552, 369024), (57344, 357492), (59582, 344064), (61504, 333312), (63488, 322896), (80724, 253952), (83328, 246016), (86016, 238328), (89373, 229376), (92256, 222208), (95232, 215264), (98304, 208537), (107632, 190464), (111104, 184512), (114688, 178746), (119164, 172032), (123008, 166656), (126976, 161448)]