20626655

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12539}}^1$

素因数の和:12598

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 8265505

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 12539, 62695, 87773, 438865, 589333, 2946665, 4125331, 20626655]

約数ペア:

[(1, 20626655), (5, 4125331), (7, 2946665), (35, 589333), (47, 438865), (235, 87773), (329, 62695), (1645, 12539)]