20928866

素因数分解:

$2^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{1693}}^1$

素因数の和:2585

約数の個数: 16

約数和(自身を含む): 35939904

約数和(自身を除く): 15011038

約数列:

[1, 2, 7, 14, 883, 1693, 1766, 3386, 6181, 11851, 12362, 23702, 1494919, 2989838, 10464433, 20928866]

約数ペア:

[(1, 20928866), (2, 10464433), (7, 2989838), (14, 1494919), (883, 23702), (1693, 12362), (1766, 11851), (3386, 6181)]