20949923616

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^2\times {\mathrm{563}}^1$

素因数の和:895

約数の個数: 144

約数和(自身を含む): 58720751712

約数和(自身を除く): 37770828096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 48, 51, 68, 96, 102, 136, 151, 204, 272, 302, 408, 453, 544, 563, 604, 816, 906, 1126, 1208, 1632, 1689, 1812, 2252, 2416, 2567, 3378, 3624, 4504, 4832, 5134, 6756, 7248, 7701, 9008, 9571, 10268, 13512, 14496, 15402, 18016, 19142, 20536, 22801, 27024, 28713, 30804, 38284, 41072, 45602, 54048, 57426, 61608, 68403, 76568, 82144, 85013, 91204, 114852, 123216, 136806, 153136, 170026, 182408, 229704, 246432, 255039, 273612, 306272, 340052, 364816, 387617, 459408, 510078, 547224, 680104, 729632, 775234, 918816, 1020156, 1094448, 1162851, 1360208, 1445221, 1550468, 2040312, 2188896, 2325702, 2720416, 2890442, 3100936, 4080624, 4335663, 4651404, 5780884, 6201872, 8161248, 8671326, 9302808, 11561768, 12403744, 12836963, 17342652, 18605616, 23123536, 25673926, 34685304, 37211232, 38510889, 46247072, 51347852, 69370608, 77021778, 102695704, 138741216, 154043556, 205391408, 218228371, 308087112, 410782816, 436456742, 616174224, 654685113, 872913484, 1232348448, 1309370226, 1745826968, 2618740452, 3491653936, 5237480904, 6983307872, 10474961808, 20949923616]

約数ペア:

[(1, 20949923616), (2, 10474961808), (3, 6983307872), (4, 5237480904), (6, 3491653936), (8, 2618740452), (12, 1745826968), (16, 1309370226), (17, 1232348448), (24, 872913484), (32, 654685113), (34, 616174224), (48, 436456742), (51, 410782816), (68, 308087112), (96, 218228371), (102, 205391408), (136, 154043556), (151, 138741216), (204, 102695704), (272, 77021778), (302, 69370608), (408, 51347852), (453, 46247072), (544, 38510889), (563, 37211232), (604, 34685304), (816, 25673926), (906, 23123536), (1126, 18605616), (1208, 17342652), (1632, 12836963), (1689, 12403744), (1812, 11561768), (2252, 9302808), (2416, 8671326), (2567, 8161248), (3378, 6201872), (3624, 5780884), (4504, 4651404), (4832, 4335663), (5134, 4080624), (6756, 3100936), (7248, 2890442), (7701, 2720416), (9008, 2325702), (9571, 2188896), (10268, 2040312), (13512, 1550468), (14496, 1445221), (15402, 1360208), (18016, 1162851), (19142, 1094448), (20536, 1020156), (22801, 918816), (27024, 775234), (28713, 729632), (30804, 680104), (38284, 547224), (41072, 510078), (45602, 459408), (54048, 387617), (57426, 364816), (61608, 340052), (68403, 306272), (76568, 273612), (82144, 255039), (85013, 246432), (91204, 229704), (114852, 182408), (123216, 170026), (136806, 153136)]