20565558902

素因数分解:

$2^1\times 7^1\times {\mathrm{3001}}^1\times {\mathrm{489493}}^1$

素因数の和:492503

約数の個数: 16

約数和(自身を含む): 35267063712

約数和(自身を除く): 14701504810

約数列:

[1, 2, 7, 14, 3001, 6002, 21007, 42014, 489493, 978986, 3426451, 6852902, 1468968493, 2937936986, 10282779451, 20565558902]

約数ペア:

[(1, 20565558902), (2, 10282779451), (7, 2937936986), (14, 1468968493), (3001, 6852902), (6002, 3426451), (21007, 978986), (42014, 489493)]