20457837

素因数分解:

$3^2\times {\mathrm{59}}^2\times {\mathrm{653}}^1$

素因数の和:777

約数の個数: 18

約数和(自身を含む): 30105582

約数和(自身を除く): 9647745

約数列:

[1, 3, 9, 59, 177, 531, 653, 1959, 3481, 5877, 10443, 31329, 38527, 115581, 346743, 2273093, 6819279, 20457837]

約数ペア:

[(1, 20457837), (3, 6819279), (9, 2273093), (59, 346743), (177, 115581), (531, 38527), (653, 31329), (1959, 10443), (3481, 5877)]