20498171904

素因数分解:

$2^{11}\times 3^3\times 7^1\times {\mathrm{52957}}^1$

素因数の和:52995

約数の個数: 192

約数和(自身を含む): 69396163200

約数和(自身を除く): 48897991296

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, 84, 96, 108, 112, 126, 128, 144, 168, 189, 192, 216, 224, 252, 256, 288, 336, 378, 384, 432, 448, 504, 512, 576, 672, 756, 768, 864, 896, 1008, 1024, 1152, 1344, 1512, 1536, 1728, 1792, 2016, 2048, 2304, 2688, 3024, 3072, 3456, 3584, 4032, 4608, 5376, 6048, 6144, 6912, 7168, 8064, 9216, 10752, 12096, 13824, 14336, 16128, 18432, 21504, 24192, 27648, 32256, 43008, 48384, 52957, 55296, 64512, 96768, 105914, 129024, 158871, 193536, 211828, 317742, 370699, 387072, 423656, 476613, 635484, 741398, 847312, 953226, 1112097, 1270968, 1429839, 1482796, 1694624, 1906452, 2224194, 2541936, 2859678, 2965592, 3336291, 3389248, 3812904, 4448388, 5083872, 5719356, 5931184, 6672582, 6778496, 7625808, 8896776, 10008873, 10167744, 11438712, 11862368, 13345164, 13556992, 15251616, 17793552, 20017746, 20335488, 22877424, 23724736, 26690328, 27113984, 30503232, 35587104, 40035492, 40670976, 45754848, 47449472, 53380656, 54227968, 61006464, 71174208, 80070984, 81341952, 91509696, 94898944, 106761312, 108455936, 122012928, 142348416, 160141968, 162683904, 183019392, 189797888, 213522624, 244025856, 284696832, 320283936, 325367808, 366038784, 379595776, 427045248, 488051712, 569393664, 640567872, 732077568, 759191552, 854090496, 976103424, 1138787328, 1281135744, 1464155136, 1708180992, 2277574656, 2562271488, 2928310272, 3416361984, 5124542976, 6832723968, 10249085952, 20498171904]

約数ペア:

[(1, 20498171904), (2, 10249085952), (3, 6832723968), (4, 5124542976), (6, 3416361984), (7, 2928310272), (8, 2562271488), (9, 2277574656), (12, 1708180992), (14, 1464155136), (16, 1281135744), (18, 1138787328), (21, 976103424), (24, 854090496), (27, 759191552), (28, 732077568), (32, 640567872), (36, 569393664), (42, 488051712), (48, 427045248), (54, 379595776), (56, 366038784), (63, 325367808), (64, 320283936), (72, 284696832), (84, 244025856), (96, 213522624), (108, 189797888), (112, 183019392), (126, 162683904), (128, 160141968), (144, 142348416), (168, 122012928), (189, 108455936), (192, 106761312), (216, 94898944), (224, 91509696), (252, 81341952), (256, 80070984), (288, 71174208), (336, 61006464), (378, 54227968), (384, 53380656), (432, 47449472), (448, 45754848), (504, 40670976), (512, 40035492), (576, 35587104), (672, 30503232), (756, 27113984), (768, 26690328), (864, 23724736), (896, 22877424), (1008, 20335488), (1024, 20017746), (1152, 17793552), (1344, 15251616), (1512, 13556992), (1536, 13345164), (1728, 11862368), (1792, 11438712), (2016, 10167744), (2048, 10008873), (2304, 8896776), (2688, 7625808), (3024, 6778496), (3072, 6672582), (3456, 5931184), (3584, 5719356), (4032, 5083872), (4608, 4448388), (5376, 3812904), (6048, 3389248), (6144, 3336291), (6912, 2965592), (7168, 2859678), (8064, 2541936), (9216, 2224194), (10752, 1906452), (12096, 1694624), (13824, 1482796), (14336, 1429839), (16128, 1270968), (18432, 1112097), (21504, 953226), (24192, 847312), (27648, 741398), (32256, 635484), (43008, 476613), (48384, 423656), (52957, 387072), (55296, 370699), (64512, 317742), (96768, 211828), (105914, 193536), (129024, 158871)]