20178804879

素因数分解:

$3^2\times {\mathrm{743}}^1\times {\mathrm{3017617}}^1$

素因数の和:3018366

約数の個数: 12

約数和(自身を含む): 29186401296

約数和(自身を除く): 9007596417

約数列:

[1, 3, 9, 743, 2229, 6687, 3017617, 9052851, 27158553, 2242089431, 6726268293, 20178804879]

約数ペア:

[(1, 20178804879), (3, 6726268293), (9, 2242089431), (743, 27158553), (2229, 9052851), (6687, 3017617)]