20797514

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2081}}^1$

素因数の和:2365

約数の個数: 16

約数和(自身を含む): 32978880

約数和(自身を除く): 12181366

約数列:

[1, 2, 19, 38, 263, 526, 2081, 4162, 4997, 9994, 39539, 79078, 547303, 1094606, 10398757, 20797514]

約数ペア:

[(1, 20797514), (2, 10398757), (19, 1094606), (38, 547303), (263, 79078), (526, 39539), (2081, 9994), (4162, 4997)]