20916291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{11959}}^1$

素因数の和:12026

約数の個数: 16

約数和(自身を含む): 31000320

約数和(自身を除く): 10084029

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 11959, 35877, 131549, 394647, 633827, 1901481, 6972097, 20916291]

約数ペア:

[(1, 20916291), (3, 6972097), (11, 1901481), (33, 633827), (53, 394647), (159, 131549), (583, 35877), (1749, 11959)]