20787844992

素因数分解:

$2^7\times 3^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1\times {\mathrm{691}}^1$

素因数の和:1364

約数の個数: 128

約数和(自身を含む): 55761360000

約数和(自身を除く): 34973515008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 157, 192, 314, 384, 471, 499, 628, 691, 942, 998, 1256, 1382, 1497, 1884, 1996, 2073, 2512, 2764, 2994, 3768, 3992, 4146, 5024, 5528, 5988, 7536, 7984, 8292, 10048, 11056, 11976, 15072, 15968, 16584, 20096, 22112, 23952, 30144, 31936, 33168, 44224, 47904, 60288, 63872, 66336, 78343, 88448, 95808, 108487, 132672, 156686, 191616, 216974, 235029, 265344, 313372, 325461, 344809, 433948, 470058, 626744, 650922, 689618, 867896, 940116, 1034427, 1253488, 1301844, 1379236, 1735792, 1880232, 2068854, 2506976, 2603688, 2758472, 3471584, 3760464, 4137708, 5013952, 5207376, 5516944, 6943168, 7520928, 8275416, 10027904, 10414752, 11033888, 13886336, 15041856, 16550832, 20829504, 22067776, 30083712, 33101664, 41659008, 44135552, 54135013, 66203328, 108270026, 132406656, 162405039, 216540052, 324810078, 433080104, 649620156, 866160208, 1299240312, 1732320416, 2598480624, 3464640832, 5196961248, 6929281664, 10393922496, 20787844992]

約数ペア:

[(1, 20787844992), (2, 10393922496), (3, 6929281664), (4, 5196961248), (6, 3464640832), (8, 2598480624), (12, 1732320416), (16, 1299240312), (24, 866160208), (32, 649620156), (48, 433080104), (64, 324810078), (96, 216540052), (128, 162405039), (157, 132406656), (192, 108270026), (314, 66203328), (384, 54135013), (471, 44135552), (499, 41659008), (628, 33101664), (691, 30083712), (942, 22067776), (998, 20829504), (1256, 16550832), (1382, 15041856), (1497, 13886336), (1884, 11033888), (1996, 10414752), (2073, 10027904), (2512, 8275416), (2764, 7520928), (2994, 6943168), (3768, 5516944), (3992, 5207376), (4146, 5013952), (5024, 4137708), (5528, 3760464), (5988, 3471584), (7536, 2758472), (7984, 2603688), (8292, 2506976), (10048, 2068854), (11056, 1880232), (11976, 1735792), (15072, 1379236), (15968, 1301844), (16584, 1253488), (20096, 1034427), (22112, 940116), (23952, 867896), (30144, 689618), (31936, 650922), (33168, 626744), (44224, 470058), (47904, 433948), (60288, 344809), (63872, 325461), (66336, 313372), (78343, 265344), (88448, 235029), (95808, 216974), (108487, 191616), (132672, 156686)]