20881011840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{36373}}^1$

素因数の和:36431

約数の個数: 256

約数和(自身を含む): 74796583680

約数和(自身を除く): 53915571840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 64, 65, 69, 78, 80, 92, 96, 104, 115, 120, 128, 130, 138, 156, 160, 184, 192, 195, 208, 230, 240, 260, 276, 299, 312, 320, 345, 368, 384, 390, 416, 460, 480, 520, 552, 598, 624, 640, 690, 736, 780, 832, 897, 920, 960, 1040, 1104, 1196, 1248, 1380, 1472, 1495, 1560, 1664, 1794, 1840, 1920, 2080, 2208, 2392, 2496, 2760, 2944, 2990, 3120, 3588, 3680, 4160, 4416, 4485, 4784, 4992, 5520, 5980, 6240, 7176, 7360, 8320, 8832, 8970, 9568, 11040, 11960, 12480, 14352, 14720, 17940, 19136, 22080, 23920, 24960, 28704, 35880, 36373, 38272, 44160, 47840, 57408, 71760, 72746, 95680, 109119, 114816, 143520, 145492, 181865, 191360, 218238, 287040, 290984, 363730, 436476, 472849, 545595, 574080, 581968, 727460, 836579, 872952, 945698, 1091190, 1163936, 1418547, 1454920, 1673158, 1745904, 1891396, 2182380, 2327872, 2364245, 2509737, 2837094, 2909840, 3346316, 3491808, 3782792, 4182895, 4364760, 4655744, 4728490, 5019474, 5674188, 5819680, 6692632, 6983616, 7092735, 7565584, 8365790, 8729520, 9456980, 10038948, 10875527, 11348376, 11639360, 12548685, 13385264, 13967232, 14185470, 15131168, 16731580, 17459040, 18913960, 20077896, 21751054, 22696752, 23278720, 25097370, 26770528, 28370940, 30262336, 32626581, 33463160, 34918080, 37827920, 40155792, 43502108, 45393504, 50194740, 53541056, 54377635, 56741880, 60524672, 65253162, 66926320, 69836160, 75655840, 80311584, 87004216, 90787008, 100389480, 107082112, 108755270, 113483760, 130506324, 133852640, 151311680, 160623168, 163132905, 174008432, 181574016, 200778960, 217510540, 226967520, 261012648, 267705280, 302623360, 321246336, 326265810, 348016864, 401557920, 435021080, 453935040, 522025296, 535410560, 652531620, 696033728, 803115840, 870042160, 907870080, 1044050592, 1305063240, 1392067456, 1606231680, 1740084320, 2088101184, 2610126480, 3480168640, 4176202368, 5220252960, 6960337280, 10440505920, 20881011840]

約数ペア:

[(1, 20881011840), (2, 10440505920), (3, 6960337280), (4, 5220252960), (5, 4176202368), (6, 3480168640), (8, 2610126480), (10, 2088101184), (12, 1740084320), (13, 1606231680), (15, 1392067456), (16, 1305063240), (20, 1044050592), (23, 907870080), (24, 870042160), (26, 803115840), (30, 696033728), (32, 652531620), (39, 535410560), (40, 522025296), (46, 453935040), (48, 435021080), (52, 401557920), (60, 348016864), (64, 326265810), (65, 321246336), (69, 302623360), (78, 267705280), (80, 261012648), (92, 226967520), (96, 217510540), (104, 200778960), (115, 181574016), (120, 174008432), (128, 163132905), (130, 160623168), (138, 151311680), (156, 133852640), (160, 130506324), (184, 113483760), (192, 108755270), (195, 107082112), (208, 100389480), (230, 90787008), (240, 87004216), (260, 80311584), (276, 75655840), (299, 69836160), (312, 66926320), (320, 65253162), (345, 60524672), (368, 56741880), (384, 54377635), (390, 53541056), (416, 50194740), (460, 45393504), (480, 43502108), (520, 40155792), (552, 37827920), (598, 34918080), (624, 33463160), (640, 32626581), (690, 30262336), (736, 28370940), (780, 26770528), (832, 25097370), (897, 23278720), (920, 22696752), (960, 21751054), (1040, 20077896), (1104, 18913960), (1196, 17459040), (1248, 16731580), (1380, 15131168), (1472, 14185470), (1495, 13967232), (1560, 13385264), (1664, 12548685), (1794, 11639360), (1840, 11348376), (1920, 10875527), (2080, 10038948), (2208, 9456980), (2392, 8729520), (2496, 8365790), (2760, 7565584), (2944, 7092735), (2990, 6983616), (3120, 6692632), (3588, 5819680), (3680, 5674188), (4160, 5019474), (4416, 4728490), (4485, 4655744), (4784, 4364760), (4992, 4182895), (5520, 3782792), (5980, 3491808), (6240, 3346316), (7176, 2909840), (7360, 2837094), (8320, 2509737), (8832, 2364245), (8970, 2327872), (9568, 2182380), (11040, 1891396), (11960, 1745904), (12480, 1673158), (14352, 1454920), (14720, 1418547), (17940, 1163936), (19136, 1091190), (22080, 945698), (23920, 872952), (24960, 836579), (28704, 727460), (35880, 581968), (36373, 574080), (38272, 545595), (44160, 472849), (47840, 436476), (57408, 363730), (71760, 290984), (72746, 287040), (95680, 218238), (109119, 191360), (114816, 181865), (143520, 145492)]