20802977286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{810653}}^1$

素因数の和:810725

約数の個数: 64

約数和(自身を含む): 52296910848

約数和(自身を除く): 31493933562

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 47, 78, 91, 94, 141, 182, 273, 282, 329, 546, 611, 658, 987, 1222, 1833, 1974, 3666, 4277, 8554, 12831, 25662, 810653, 1621306, 2431959, 4863918, 5674571, 10538489, 11349142, 17023713, 21076978, 31615467, 34047426, 38100691, 63230934, 73769423, 76201382, 114302073, 147538846, 221308269, 228604146, 266704837, 442616538, 495308983, 533409674, 800114511, 990617966, 1485926949, 1600229022, 2971853898, 3467162881, 6934325762, 10401488643, 20802977286]

約数ペア:

[(1, 20802977286), (2, 10401488643), (3, 6934325762), (6, 3467162881), (7, 2971853898), (13, 1600229022), (14, 1485926949), (21, 990617966), (26, 800114511), (39, 533409674), (42, 495308983), (47, 442616538), (78, 266704837), (91, 228604146), (94, 221308269), (141, 147538846), (182, 114302073), (273, 76201382), (282, 73769423), (329, 63230934), (546, 38100691), (611, 34047426), (658, 31615467), (987, 21076978), (1222, 17023713), (1833, 11349142), (1974, 10538489), (3666, 5674571), (4277, 4863918), (8554, 2431959), (12831, 1621306), (25662, 810653)]