20625784

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{36313}}^1$

素因数の和:36390

約数の個数: 16

約数和(自身を含む): 39219120

約数和(自身を除く): 18593336

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 36313, 72626, 145252, 290504, 2578223, 5156446, 10312892, 20625784]

約数ペア:

[(1, 20625784), (2, 10312892), (4, 5156446), (8, 2578223), (71, 290504), (142, 145252), (284, 72626), (568, 36313)]