20171866204

素因数分解:

$2^2\times 7^1\times {\mathrm{720423793}}^1$

素因数の和:720423804

約数の個数: 12

約数和(自身を含む): 40343732464

約数和(自身を除く): 20171866260

約数列:

[1, 2, 4, 7, 14, 28, 720423793, 1440847586, 2881695172, 5042966551, 10085933102, 20171866204]

約数ペア:

[(1, 20171866204), (2, 10085933102), (4, 5042966551), (7, 2881695172), (14, 1440847586), (28, 720423793)]