20883221856

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{20759}}^1$

素因数の和:21281

約数の個数: 144

約数和(自身を含む): 68009760000

約数和(自身を除く): 47126538144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 499, 504, 672, 998, 1008, 1497, 1996, 2016, 2994, 3493, 3992, 4491, 5988, 6986, 7984, 8982, 10479, 11976, 13972, 15968, 17964, 20759, 20958, 23952, 27944, 31437, 35928, 41518, 41916, 47904, 55888, 62277, 62874, 71856, 83036, 83832, 111776, 124554, 125748, 143712, 145313, 166072, 167664, 186831, 249108, 251496, 290626, 332144, 335328, 373662, 435939, 498216, 502992, 581252, 664288, 747324, 871878, 996432, 1005984, 1162504, 1307817, 1494648, 1743756, 1992864, 2325008, 2615634, 2989296, 3487512, 4650016, 5231268, 5978592, 6975024, 10358741, 10462536, 13950048, 20717482, 20925072, 31076223, 41434964, 41850144, 62152446, 72511187, 82869928, 93228669, 124304892, 145022374, 165739856, 186457338, 217533561, 248609784, 290044748, 331479712, 372914676, 435067122, 497219568, 580089496, 652600683, 745829352, 870134244, 994439136, 1160178992, 1305201366, 1491658704, 1740268488, 2320357984, 2610402732, 2983317408, 3480536976, 5220805464, 6961073952, 10441610928, 20883221856]

約数ペア:

[(1, 20883221856), (2, 10441610928), (3, 6961073952), (4, 5220805464), (6, 3480536976), (7, 2983317408), (8, 2610402732), (9, 2320357984), (12, 1740268488), (14, 1491658704), (16, 1305201366), (18, 1160178992), (21, 994439136), (24, 870134244), (28, 745829352), (32, 652600683), (36, 580089496), (42, 497219568), (48, 435067122), (56, 372914676), (63, 331479712), (72, 290044748), (84, 248609784), (96, 217533561), (112, 186457338), (126, 165739856), (144, 145022374), (168, 124304892), (224, 93228669), (252, 82869928), (288, 72511187), (336, 62152446), (499, 41850144), (504, 41434964), (672, 31076223), (998, 20925072), (1008, 20717482), (1497, 13950048), (1996, 10462536), (2016, 10358741), (2994, 6975024), (3493, 5978592), (3992, 5231268), (4491, 4650016), (5988, 3487512), (6986, 2989296), (7984, 2615634), (8982, 2325008), (10479, 1992864), (11976, 1743756), (13972, 1494648), (15968, 1307817), (17964, 1162504), (20759, 1005984), (20958, 996432), (23952, 871878), (27944, 747324), (31437, 664288), (35928, 581252), (41518, 502992), (41916, 498216), (47904, 435939), (55888, 373662), (62277, 335328), (62874, 332144), (71856, 290626), (83036, 251496), (83832, 249108), (111776, 186831), (124554, 167664), (125748, 166072), (143712, 145313)]