20430016544

素因数分解:

$2^5\times 7^1\times {\mathrm{61}}^2\times {\mathrm{127}}^1\times {\mathrm{193}}^1$

素因数の和:459

約数の個数: 144

約数和(自身を含む): 47345485824

約数和(自身を除く): 26915469280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 61, 112, 122, 127, 193, 224, 244, 254, 386, 427, 488, 508, 772, 854, 889, 976, 1016, 1351, 1544, 1708, 1778, 1952, 2032, 2702, 3088, 3416, 3556, 3721, 4064, 5404, 6176, 6832, 7112, 7442, 7747, 10808, 11773, 13664, 14224, 14884, 15494, 21616, 23546, 24511, 26047, 28448, 29768, 30988, 43232, 47092, 49022, 52094, 54229, 59536, 61976, 82411, 94184, 98044, 104188, 108458, 119072, 123952, 164822, 171577, 188368, 196088, 208376, 216916, 247904, 329644, 343154, 376736, 392176, 416752, 433832, 472567, 659288, 686308, 718153, 784352, 833504, 867664, 945134, 1318576, 1372616, 1436306, 1495171, 1735328, 1890268, 2637152, 2745232, 2872612, 2990342, 3307969, 3780536, 5027071, 5490464, 5745224, 5980684, 6615938, 7561072, 10054142, 10466197, 11490448, 11961368, 13231876, 15122144, 20108284, 20932394, 22980896, 23922736, 26463752, 40216568, 41864788, 47845472, 52927504, 80433136, 83729576, 91205431, 105855008, 160866272, 167459152, 182410862, 334918304, 364821724, 638438017, 729643448, 1276876034, 1459286896, 2553752068, 2918573792, 5107504136, 10215008272, 20430016544]

約数ペア:

[(1, 20430016544), (2, 10215008272), (4, 5107504136), (7, 2918573792), (8, 2553752068), (14, 1459286896), (16, 1276876034), (28, 729643448), (32, 638438017), (56, 364821724), (61, 334918304), (112, 182410862), (122, 167459152), (127, 160866272), (193, 105855008), (224, 91205431), (244, 83729576), (254, 80433136), (386, 52927504), (427, 47845472), (488, 41864788), (508, 40216568), (772, 26463752), (854, 23922736), (889, 22980896), (976, 20932394), (1016, 20108284), (1351, 15122144), (1544, 13231876), (1708, 11961368), (1778, 11490448), (1952, 10466197), (2032, 10054142), (2702, 7561072), (3088, 6615938), (3416, 5980684), (3556, 5745224), (3721, 5490464), (4064, 5027071), (5404, 3780536), (6176, 3307969), (6832, 2990342), (7112, 2872612), (7442, 2745232), (7747, 2637152), (10808, 1890268), (11773, 1735328), (13664, 1495171), (14224, 1436306), (14884, 1372616), (15494, 1318576), (21616, 945134), (23546, 867664), (24511, 833504), (26047, 784352), (28448, 718153), (29768, 686308), (30988, 659288), (43232, 472567), (47092, 433832), (49022, 416752), (52094, 392176), (54229, 376736), (59536, 343154), (61976, 329644), (82411, 247904), (94184, 216916), (98044, 208376), (104188, 196088), (108458, 188368), (119072, 171577), (123952, 164822)]