20809580405

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{16811}}^1\times {\mathrm{14563}}^1$

素因数の和:31396

約数の個数: 16

約数和(自身を含む): 26443796544

約数和(自身を除く): 5634216139

約数列:

[1, 5, 17, 85, 14563, 16811, 72815, 84055, 247571, 285787, 1237855, 1428935, 244818593, 1224092965, 4161916081, 20809580405]

約数ペア:

[(1, 20809580405), (5, 4161916081), (17, 1224092965), (85, 244818593), (14563, 1428935), (16811, 1237855), (72815, 285787), (84055, 247571)]