20260247920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{343627}}^1$

素因数の和:343718

約数の個数: 80

約数和(自身を含む): 52154483328

約数和(自身を除く): 31894235408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 67, 80, 88, 110, 134, 176, 220, 268, 335, 440, 536, 670, 737, 880, 1072, 1340, 1474, 2680, 2948, 3685, 5360, 5896, 7370, 11792, 14740, 29480, 58960, 343627, 687254, 1374508, 1718135, 2749016, 3436270, 3779897, 5498032, 6872540, 7559794, 13745080, 15119588, 18899485, 23023009, 27490160, 30239176, 37798970, 46046018, 60478352, 75597940, 92092036, 115115045, 151195880, 184184072, 230230090, 253253099, 302391760, 368368144, 460460180, 506506198, 920920360, 1013012396, 1266265495, 1841840720, 2026024792, 2532530990, 4052049584, 5065061980, 10130123960, 20260247920]

約数ペア:

[(1, 20260247920), (2, 10130123960), (4, 5065061980), (5, 4052049584), (8, 2532530990), (10, 2026024792), (11, 1841840720), (16, 1266265495), (20, 1013012396), (22, 920920360), (40, 506506198), (44, 460460180), (55, 368368144), (67, 302391760), (80, 253253099), (88, 230230090), (110, 184184072), (134, 151195880), (176, 115115045), (220, 92092036), (268, 75597940), (335, 60478352), (440, 46046018), (536, 37798970), (670, 30239176), (737, 27490160), (880, 23023009), (1072, 18899485), (1340, 15119588), (1474, 13745080), (2680, 7559794), (2948, 6872540), (3685, 5498032), (5360, 3779897), (5896, 3436270), (7370, 2749016), (11792, 1718135), (14740, 1374508), (29480, 687254), (58960, 343627)]