20172328208

素因数分解:

$2^4\times {\mathrm{20143}}^1\times {\mathrm{62591}}^1$

素因数の和:82742

約数の個数: 20

約数和(自身を含む): 39086450688

約数和(自身を除く): 18914122480

約数列:

[1, 2, 4, 8, 16, 20143, 40286, 62591, 80572, 125182, 161144, 250364, 322288, 500728, 1001456, 1260770513, 2521541026, 5043082052, 10086164104, 20172328208]

約数ペア:

[(1, 20172328208), (2, 10086164104), (4, 5043082052), (8, 2521541026), (16, 1260770513), (20143, 1001456), (40286, 500728), (62591, 322288), (80572, 250364), (125182, 161144)]