20429982

素因数分解:

$2^1\times 3^5\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 46405632

約数和(自身を除く): 25975650

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 127, 162, 243, 254, 331, 381, 486, 662, 762, 993, 1143, 1986, 2286, 2979, 3429, 5958, 6858, 8937, 10287, 17874, 20574, 26811, 30861, 42037, 53622, 61722, 80433, 84074, 126111, 160866, 252222, 378333, 756666, 1134999, 2269998, 3404997, 6809994, 10214991, 20429982]

約数ペア:

[(1, 20429982), (2, 10214991), (3, 6809994), (6, 3404997), (9, 2269998), (18, 1134999), (27, 756666), (54, 378333), (81, 252222), (127, 160866), (162, 126111), (243, 84074), (254, 80433), (331, 61722), (381, 53622), (486, 42037), (662, 30861), (762, 26811), (993, 20574), (1143, 17874), (1986, 10287), (2286, 8937), (2979, 6858), (3429, 5958)]