20690434

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{2137}}^1$

素因数の和:2289

約数の個数: 16

約数和(自身を含む): 32018688

約数和(自身を除く): 11328254

約数列:

[1, 2, 47, 94, 103, 206, 2137, 4274, 4841, 9682, 100439, 200878, 220111, 440222, 10345217, 20690434]

約数ペア:

[(1, 20690434), (2, 10345217), (47, 440222), (94, 220111), (103, 200878), (206, 100439), (2137, 9682), (4274, 4841)]