20666802

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{264959}}^1$

素因数の和:264977

約数の個数: 16

約数和(自身を含む): 44513280

約数和(自身を除く): 23846478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 264959, 529918, 794877, 1589754, 3444467, 6888934, 10333401, 20666802]

約数ペア:

[(1, 20666802), (2, 10333401), (3, 6888934), (6, 3444467), (13, 1589754), (26, 794877), (39, 529918), (78, 264959)]