20680045

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 25896960

約数和(自身を除く): 5216915

約数列:

[1, 5, 29, 127, 145, 635, 1123, 3683, 5615, 18415, 32567, 142621, 162835, 713105, 4136009, 20680045]

約数ペア:

[(1, 20680045), (5, 4136009), (29, 713105), (127, 162835), (145, 142621), (635, 32567), (1123, 18415), (3683, 5615)]