20345612

素因数分解:

$2^2\times 7^1\times {\mathrm{726629}}^1$

素因数の和:726640

約数の個数: 12

約数和(自身を含む): 40691280

約数和(自身を除く): 20345668

約数列:

[1, 2, 4, 7, 14, 28, 726629, 1453258, 2906516, 5086403, 10172806, 20345612]

約数ペア:

[(1, 20345612), (2, 10172806), (4, 5086403), (7, 2906516), (14, 1453258), (28, 726629)]