20742801408

素因数分解:

$2^{11}\times 3^4\times 7^1\times {\mathrm{17863}}^1$

素因数の和:17904

約数の個数: 240

約数和(自身を含む): 70812181440

約数和(自身を除く): 50069380032

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 64, 72, 81, 84, 96, 108, 112, 126, 128, 144, 162, 168, 189, 192, 216, 224, 252, 256, 288, 324, 336, 378, 384, 432, 448, 504, 512, 567, 576, 648, 672, 756, 768, 864, 896, 1008, 1024, 1134, 1152, 1296, 1344, 1512, 1536, 1728, 1792, 2016, 2048, 2268, 2304, 2592, 2688, 3024, 3072, 3456, 3584, 4032, 4536, 4608, 5184, 5376, 6048, 6144, 6912, 7168, 8064, 9072, 9216, 10368, 10752, 12096, 13824, 14336, 16128, 17863, 18144, 18432, 20736, 21504, 24192, 27648, 32256, 35726, 36288, 41472, 43008, 48384, 53589, 55296, 64512, 71452, 72576, 82944, 96768, 107178, 125041, 129024, 142904, 145152, 160767, 165888, 193536, 214356, 250082, 285808, 290304, 321534, 375123, 387072, 428712, 482301, 500164, 571616, 580608, 643068, 750246, 857424, 964602, 1000328, 1125369, 1143232, 1161216, 1286136, 1446903, 1500492, 1714848, 1929204, 2000656, 2250738, 2286464, 2572272, 2893806, 3000984, 3376107, 3429696, 3858408, 4001312, 4501476, 4572928, 5144544, 5787612, 6001968, 6752214, 6859392, 7716816, 8002624, 9002952, 9145856, 10128321, 10289088, 11575224, 12003936, 13504428, 13718784, 15433632, 16005248, 18005904, 18291712, 20256642, 20578176, 23150448, 24007872, 27008856, 27437568, 30867264, 32010496, 36011808, 36583424, 40513284, 41156352, 46300896, 48015744, 54017712, 54875136, 61734528, 64020992, 72023616, 81026568, 82312704, 92601792, 96031488, 108035424, 109750272, 123469056, 128041984, 144047232, 162053136, 164625408, 185203584, 192062976, 216070848, 246938112, 256083968, 288094464, 324106272, 329250816, 370407168, 384125952, 432141696, 493876224, 576188928, 648212544, 740814336, 768251904, 864283392, 987752448, 1152377856, 1296425088, 1481628672, 1728566784, 2304755712, 2592850176, 2963257344, 3457133568, 5185700352, 6914267136, 10371400704, 20742801408]

約数ペア:

[(1, 20742801408), (2, 10371400704), (3, 6914267136), (4, 5185700352), (6, 3457133568), (7, 2963257344), (8, 2592850176), (9, 2304755712), (12, 1728566784), (14, 1481628672), (16, 1296425088), (18, 1152377856), (21, 987752448), (24, 864283392), (27, 768251904), (28, 740814336), (32, 648212544), (36, 576188928), (42, 493876224), (48, 432141696), (54, 384125952), (56, 370407168), (63, 329250816), (64, 324106272), (72, 288094464), (81, 256083968), (84, 246938112), (96, 216070848), (108, 192062976), (112, 185203584), (126, 164625408), (128, 162053136), (144, 144047232), (162, 128041984), (168, 123469056), (189, 109750272), (192, 108035424), (216, 96031488), (224, 92601792), (252, 82312704), (256, 81026568), (288, 72023616), (324, 64020992), (336, 61734528), (378, 54875136), (384, 54017712), (432, 48015744), (448, 46300896), (504, 41156352), (512, 40513284), (567, 36583424), (576, 36011808), (648, 32010496), (672, 30867264), (756, 27437568), (768, 27008856), (864, 24007872), (896, 23150448), (1008, 20578176), (1024, 20256642), (1134, 18291712), (1152, 18005904), (1296, 16005248), (1344, 15433632), (1512, 13718784), (1536, 13504428), (1728, 12003936), (1792, 11575224), (2016, 10289088), (2048, 10128321), (2268, 9145856), (2304, 9002952), (2592, 8002624), (2688, 7716816), (3024, 6859392), (3072, 6752214), (3456, 6001968), (3584, 5787612), (4032, 5144544), (4536, 4572928), (4608, 4501476), (5184, 4001312), (5376, 3858408), (6048, 3429696), (6144, 3376107), (6912, 3000984), (7168, 2893806), (8064, 2572272), (9072, 2286464), (9216, 2250738), (10368, 2000656), (10752, 1929204), (12096, 1714848), (13824, 1500492), (14336, 1446903), (16128, 1286136), (17863, 1161216), (18144, 1143232), (18432, 1125369), (20736, 1000328), (21504, 964602), (24192, 857424), (27648, 750246), (32256, 643068), (35726, 580608), (36288, 571616), (41472, 500164), (43008, 482301), (48384, 428712), (53589, 387072), (55296, 375123), (64512, 321534), (71452, 290304), (72576, 285808), (82944, 250082), (96768, 214356), (107178, 193536), (125041, 165888), (129024, 160767), (142904, 145152)]