20771712

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 68686800

約数和(自身を除く): 47915088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 64, 72, 73, 76, 78, 96, 104, 114, 117, 128, 144, 146, 152, 156, 171, 192, 208, 219, 228, 234, 247, 288, 292, 304, 312, 342, 384, 416, 438, 456, 468, 494, 576, 584, 608, 624, 657, 684, 741, 832, 876, 912, 936, 949, 988, 1152, 1168, 1216, 1248, 1314, 1368, 1387, 1482, 1664, 1752, 1824, 1872, 1898, 1976, 2223, 2336, 2432, 2496, 2628, 2736, 2774, 2847, 2964, 3504, 3648, 3744, 3796, 3952, 4161, 4446, 4672, 4992, 5256, 5472, 5548, 5694, 5928, 7008, 7296, 7488, 7592, 7904, 8322, 8541, 8892, 9344, 10512, 10944, 11096, 11388, 11856, 12483, 14016, 14976, 15184, 15808, 16644, 17082, 17784, 18031, 21024, 21888, 22192, 22776, 23712, 24966, 28032, 30368, 31616, 33288, 34164, 35568, 36062, 42048, 44384, 45552, 47424, 49932, 54093, 60736, 66576, 68328, 71136, 72124, 84096, 88768, 91104, 94848, 99864, 108186, 121472, 133152, 136656, 142272, 144248, 162279, 177536, 182208, 199728, 216372, 266304, 273312, 284544, 288496, 324558, 364416, 399456, 432744, 532608, 546624, 576992, 649116, 798912, 865488, 1093248, 1153984, 1298232, 1597824, 1730976, 2307968, 2596464, 3461952, 5192928, 6923904, 10385856, 20771712]

約数ペア:

[(1, 20771712), (2, 10385856), (3, 6923904), (4, 5192928), (6, 3461952), (8, 2596464), (9, 2307968), (12, 1730976), (13, 1597824), (16, 1298232), (18, 1153984), (19, 1093248), (24, 865488), (26, 798912), (32, 649116), (36, 576992), (38, 546624), (39, 532608), (48, 432744), (52, 399456), (57, 364416), (64, 324558), (72, 288496), (73, 284544), (76, 273312), (78, 266304), (96, 216372), (104, 199728), (114, 182208), (117, 177536), (128, 162279), (144, 144248), (146, 142272), (152, 136656), (156, 133152), (171, 121472), (192, 108186), (208, 99864), (219, 94848), (228, 91104), (234, 88768), (247, 84096), (288, 72124), (292, 71136), (304, 68328), (312, 66576), (342, 60736), (384, 54093), (416, 49932), (438, 47424), (456, 45552), (468, 44384), (494, 42048), (576, 36062), (584, 35568), (608, 34164), (624, 33288), (657, 31616), (684, 30368), (741, 28032), (832, 24966), (876, 23712), (912, 22776), (936, 22192), (949, 21888), (988, 21024), (1152, 18031), (1168, 17784), (1216, 17082), (1248, 16644), (1314, 15808), (1368, 15184), (1387, 14976), (1482, 14016), (1664, 12483), (1752, 11856), (1824, 11388), (1872, 11096), (1898, 10944), (1976, 10512), (2223, 9344), (2336, 8892), (2432, 8541), (2496, 8322), (2628, 7904), (2736, 7592), (2774, 7488), (2847, 7296), (2964, 7008), (3504, 5928), (3648, 5694), (3744, 5548), (3796, 5472), (3952, 5256), (4161, 4992), (4446, 4672)]