20172321316

素因数分解:

$2^2\times 7^1\times {\mathrm{720440047}}^1$

素因数の和:720440058

約数の個数: 12

約数和(自身を含む): 40344642688

約数和(自身を除く): 20172321372

約数列:

[1, 2, 4, 7, 14, 28, 720440047, 1440880094, 2881760188, 5043080329, 10086160658, 20172321316]

約数ペア:

[(1, 20172321316), (2, 10086160658), (4, 5043080329), (7, 2881760188), (14, 1440880094), (28, 720440047)]