20881128

素因数分解:

$2^3\times 3^1\times {\mathrm{870047}}^1$

素因数の和:870056

約数の個数: 16

約数和(自身を含む): 52202880

約数和(自身を除く): 31321752

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 870047, 1740094, 2610141, 3480188, 5220282, 6960376, 10440564, 20881128]

約数ペア:

[(1, 20881128), (2, 10440564), (3, 6960376), (4, 5220282), (6, 3480188), (8, 2610141), (12, 1740094), (24, 870047)]