20403549712

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{58147}}^1$

素因数の和:58416

約数の個数: 80

約数和(自身を含む): 48857345152

約数和(自身を除く): 28453795440

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 241, 364, 482, 728, 964, 1456, 1687, 1928, 3133, 3374, 3856, 6266, 6748, 12532, 13496, 21931, 25064, 26992, 43862, 50128, 58147, 87724, 116294, 175448, 232588, 350896, 407029, 465176, 755911, 814058, 930352, 1511822, 1628116, 3023644, 3256232, 5291377, 6047288, 6512464, 10582754, 12094576, 14013427, 21165508, 28026854, 42331016, 56053708, 84662032, 98093989, 112107416, 182174551, 196187978, 224214832, 364349102, 392375956, 728698204, 784751912, 1275221857, 1457396408, 1569503824, 2550443714, 2914792816, 5100887428, 10201774856, 20403549712]

約数ペア:

[(1, 20403549712), (2, 10201774856), (4, 5100887428), (7, 2914792816), (8, 2550443714), (13, 1569503824), (14, 1457396408), (16, 1275221857), (26, 784751912), (28, 728698204), (52, 392375956), (56, 364349102), (91, 224214832), (104, 196187978), (112, 182174551), (182, 112107416), (208, 98093989), (241, 84662032), (364, 56053708), (482, 42331016), (728, 28026854), (964, 21165508), (1456, 14013427), (1687, 12094576), (1928, 10582754), (3133, 6512464), (3374, 6047288), (3856, 5291377), (6266, 3256232), (6748, 3023644), (12532, 1628116), (13496, 1511822), (21931, 930352), (25064, 814058), (26992, 755911), (43862, 465176), (50128, 407029), (58147, 350896), (87724, 232588), (116294, 175448)]