20508404

素因数分解:

$2^2\times 7^1\times {\mathrm{797}}^1\times {\mathrm{919}}^1$

素因数の和:1727

約数の個数: 24

約数和(自身を含む): 41112960

約数和(自身を除く): 20604556

約数列:

[1, 2, 4, 7, 14, 28, 797, 919, 1594, 1838, 3188, 3676, 5579, 6433, 11158, 12866, 22316, 25732, 732443, 1464886, 2929772, 5127101, 10254202, 20508404]

約数ペア:

[(1, 20508404), (2, 10254202), (4, 5127101), (7, 2929772), (14, 1464886), (28, 732443), (797, 25732), (919, 22316), (1594, 12866), (1838, 11158), (3188, 6433), (3676, 5579)]