20808501504

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{17837}}^1$

素因数の和:17901

約数の個数: 216

約数和(自身を含む): 66504630528

約数和(自身を除く): 45696129024

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 49, 56, 62, 64, 84, 93, 96, 98, 112, 124, 128, 147, 168, 186, 192, 196, 217, 224, 248, 256, 294, 336, 372, 384, 392, 434, 448, 496, 588, 651, 672, 744, 768, 784, 868, 896, 992, 1176, 1302, 1344, 1488, 1519, 1568, 1736, 1792, 1984, 2352, 2604, 2688, 2976, 3038, 3136, 3472, 3968, 4557, 4704, 5208, 5376, 5952, 6076, 6272, 6944, 7936, 9114, 9408, 10416, 11904, 12152, 12544, 13888, 17837, 18228, 18816, 20832, 23808, 24304, 27776, 35674, 36456, 37632, 41664, 48608, 53511, 55552, 71348, 72912, 83328, 97216, 107022, 124859, 142696, 145824, 166656, 194432, 214044, 249718, 285392, 291648, 374577, 388864, 428088, 499436, 552947, 570784, 583296, 749154, 856176, 874013, 998872, 1105894, 1141568, 1166592, 1498308, 1658841, 1712352, 1748026, 1997744, 2211788, 2283136, 2622039, 2996616, 3317682, 3424704, 3496052, 3870629, 3995488, 4423576, 4566272, 5244078, 5993232, 6635364, 6849408, 6992104, 7741258, 7990976, 8847152, 10488156, 11611887, 11986464, 13270728, 13698816, 13984208, 15482516, 15981952, 17694304, 20976312, 23223774, 23972928, 26541456, 27094403, 27968416, 30965032, 31963904, 35388608, 41952624, 46447548, 47945856, 53082912, 54188806, 55936832, 61930064, 70777216, 81283209, 83905248, 92895096, 95891712, 106165824, 108377612, 111873664, 123860128, 141554432, 162566418, 167810496, 185790192, 212331648, 216755224, 223747328, 247720256, 325132836, 335620992, 371580384, 424663296, 433510448, 495440512, 650265672, 671241984, 743160768, 867020896, 990881024, 1300531344, 1486321536, 1734041792, 2601062688, 2972643072, 3468083584, 5202125376, 6936167168, 10404250752, 20808501504]

約数ペア:

[(1, 20808501504), (2, 10404250752), (3, 6936167168), (4, 5202125376), (6, 3468083584), (7, 2972643072), (8, 2601062688), (12, 1734041792), (14, 1486321536), (16, 1300531344), (21, 990881024), (24, 867020896), (28, 743160768), (31, 671241984), (32, 650265672), (42, 495440512), (48, 433510448), (49, 424663296), (56, 371580384), (62, 335620992), (64, 325132836), (84, 247720256), (93, 223747328), (96, 216755224), (98, 212331648), (112, 185790192), (124, 167810496), (128, 162566418), (147, 141554432), (168, 123860128), (186, 111873664), (192, 108377612), (196, 106165824), (217, 95891712), (224, 92895096), (248, 83905248), (256, 81283209), (294, 70777216), (336, 61930064), (372, 55936832), (384, 54188806), (392, 53082912), (434, 47945856), (448, 46447548), (496, 41952624), (588, 35388608), (651, 31963904), (672, 30965032), (744, 27968416), (768, 27094403), (784, 26541456), (868, 23972928), (896, 23223774), (992, 20976312), (1176, 17694304), (1302, 15981952), (1344, 15482516), (1488, 13984208), (1519, 13698816), (1568, 13270728), (1736, 11986464), (1792, 11611887), (1984, 10488156), (2352, 8847152), (2604, 7990976), (2688, 7741258), (2976, 6992104), (3038, 6849408), (3136, 6635364), (3472, 5993232), (3968, 5244078), (4557, 4566272), (4704, 4423576), (5208, 3995488), (5376, 3870629), (5952, 3496052), (6076, 3424704), (6272, 3317682), (6944, 2996616), (7936, 2622039), (9114, 2283136), (9408, 2211788), (10416, 1997744), (11904, 1748026), (12152, 1712352), (12544, 1658841), (13888, 1498308), (17837, 1166592), (18228, 1141568), (18816, 1105894), (20832, 998872), (23808, 874013), (24304, 856176), (27776, 749154), (35674, 583296), (36456, 570784), (37632, 552947), (41664, 499436), (48608, 428088), (53511, 388864), (55552, 374577), (71348, 291648), (72912, 285392), (83328, 249718), (97216, 214044), (107022, 194432), (124859, 166656), (142696, 145824)]