20409984

素因数分解:

$2^7\times 3^2\times 7^1\times {\mathrm{2531}}^1$

素因数の和:2558

約数の個数: 96

約数和(自身を含む): 67148640

約数和(自身を除く): 46738656

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 128, 144, 168, 192, 224, 252, 288, 336, 384, 448, 504, 576, 672, 896, 1008, 1152, 1344, 2016, 2531, 2688, 4032, 5062, 7593, 8064, 10124, 15186, 17717, 20248, 22779, 30372, 35434, 40496, 45558, 53151, 60744, 70868, 80992, 91116, 106302, 121488, 141736, 159453, 161984, 182232, 212604, 242976, 283472, 318906, 323968, 364464, 425208, 485952, 566944, 637812, 728928, 850416, 971904, 1133888, 1275624, 1457856, 1700832, 2267776, 2551248, 2915712, 3401664, 5102496, 6803328, 10204992, 20409984]

約数ペア:

[(1, 20409984), (2, 10204992), (3, 6803328), (4, 5102496), (6, 3401664), (7, 2915712), (8, 2551248), (9, 2267776), (12, 1700832), (14, 1457856), (16, 1275624), (18, 1133888), (21, 971904), (24, 850416), (28, 728928), (32, 637812), (36, 566944), (42, 485952), (48, 425208), (56, 364464), (63, 323968), (64, 318906), (72, 283472), (84, 242976), (96, 212604), (112, 182232), (126, 161984), (128, 159453), (144, 141736), (168, 121488), (192, 106302), (224, 91116), (252, 80992), (288, 70868), (336, 60744), (384, 53151), (448, 45558), (504, 40496), (576, 35434), (672, 30372), (896, 22779), (1008, 20248), (1152, 17717), (1344, 15186), (2016, 10124), (2531, 8064), (2688, 7593), (4032, 5062)]