20008473984

素因数分解:

$2^7\times 3^3\times {\mathrm{139}}^1\times {\mathrm{41651}}^1$

素因数の和:41813

約数の個数: 128

約数和(自身を含む): 59479056000

約数和(自身を除く): 39470582016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 139, 144, 192, 216, 278, 288, 384, 417, 432, 556, 576, 834, 864, 1112, 1152, 1251, 1668, 1728, 2224, 2502, 3336, 3456, 3753, 4448, 5004, 6672, 7506, 8896, 10008, 13344, 15012, 17792, 20016, 26688, 30024, 40032, 41651, 53376, 60048, 80064, 83302, 120096, 124953, 160128, 166604, 240192, 249906, 333208, 374859, 480384, 499812, 666416, 749718, 999624, 1124577, 1332832, 1499436, 1999248, 2249154, 2665664, 2998872, 3998496, 4498308, 5331328, 5789489, 5997744, 7996992, 8996616, 11578978, 11995488, 15993984, 17368467, 17993232, 23157956, 23990976, 34736934, 35986464, 46315912, 47981952, 52105401, 69473868, 71972928, 92631824, 104210802, 138947736, 143945856, 156316203, 185263648, 208421604, 277895472, 312632406, 370527296, 416843208, 555790944, 625264812, 741054592, 833686416, 1111581888, 1250529624, 1667372832, 2223163776, 2501059248, 3334745664, 5002118496, 6669491328, 10004236992, 20008473984]

約数ペア:

[(1, 20008473984), (2, 10004236992), (3, 6669491328), (4, 5002118496), (6, 3334745664), (8, 2501059248), (9, 2223163776), (12, 1667372832), (16, 1250529624), (18, 1111581888), (24, 833686416), (27, 741054592), (32, 625264812), (36, 555790944), (48, 416843208), (54, 370527296), (64, 312632406), (72, 277895472), (96, 208421604), (108, 185263648), (128, 156316203), (139, 143945856), (144, 138947736), (192, 104210802), (216, 92631824), (278, 71972928), (288, 69473868), (384, 52105401), (417, 47981952), (432, 46315912), (556, 35986464), (576, 34736934), (834, 23990976), (864, 23157956), (1112, 17993232), (1152, 17368467), (1251, 15993984), (1668, 11995488), (1728, 11578978), (2224, 8996616), (2502, 7996992), (3336, 5997744), (3456, 5789489), (3753, 5331328), (4448, 4498308), (5004, 3998496), (6672, 2998872), (7506, 2665664), (8896, 2249154), (10008, 1999248), (13344, 1499436), (15012, 1332832), (17792, 1124577), (20016, 999624), (26688, 749718), (30024, 666416), (40032, 499812), (41651, 480384), (53376, 374859), (60048, 333208), (80064, 249906), (83302, 240192), (120096, 166604), (124953, 160128)]