20508027

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{3931}}^1$

素因数の和:4018

約数の個数: 16

約数和(自身を含む): 28687872

約数和(自身を除く): 8179845

約数列:

[1, 3, 37, 47, 111, 141, 1739, 3931, 5217, 11793, 145447, 184757, 436341, 554271, 6836009, 20508027]

約数ペア:

[(1, 20508027), (3, 6836009), (37, 554271), (47, 436341), (111, 184757), (141, 145447), (1739, 11793), (3931, 5217)]