20868646211

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{10387579}}^1$

素因数の和:10387634

約数の個数: 12

約数和(自身を含む): 24867866520

約数和(自身を除く): 3999220309

約数列:

[1, 7, 41, 49, 287, 2009, 10387579, 72713053, 425890739, 508991371, 2981235173, 20868646211]

約数ペア:

[(1, 20868646211), (7, 2981235173), (41, 508991371), (49, 425890739), (287, 72713053), (2009, 10387579)]