20176982217

素因数分解:

$3^2\times 7^1\times {\mathrm{320269559}}^1$

素因数の和:320269572

約数の個数: 12

約数和(自身を含む): 33308034240

約数和(自身を除く): 13131052023

約数列:

[1, 3, 7, 9, 21, 63, 320269559, 960808677, 2241886913, 2882426031, 6725660739, 20176982217]

約数ペア:

[(1, 20176982217), (3, 6725660739), (7, 2882426031), (9, 2241886913), (21, 960808677), (63, 320269559)]