20806561643

素因数分解:

$7^2\times {\mathrm{337}}^1\times {\mathrm{1260011}}^1$

素因数の和:1260362

約数の個数: 12

約数和(自身を含む): 24275391192

約数和(自身を除く): 3468829549

約数列:

[1, 7, 49, 337, 2359, 16513, 1260011, 8820077, 61740539, 424623707, 2972365949, 20806561643]

約数ペア:

[(1, 20806561643), (7, 2972365949), (49, 424623707), (337, 61740539), (2359, 8820077), (16513, 1260011)]