20514315

素因数分解:

$3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9839}}^1$

素因数の和:9986

約数の個数: 16

約数和(自身を含む): 33062400

約数和(自身を除く): 12548085

約数列:

[1, 3, 5, 15, 139, 417, 695, 2085, 9839, 29517, 49195, 147585, 1367621, 4102863, 6838105, 20514315]

約数ペア:

[(1, 20514315), (3, 6838105), (5, 4102863), (15, 1367621), (139, 147585), (417, 49195), (695, 29517), (2085, 9839)]