20899255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6841}}^1$

素因数の和:6906

約数の個数: 16

約数和(自身を含む): 27586944

約数和(自身を除く): 6687689

約数列:

[1, 5, 13, 47, 65, 235, 611, 3055, 6841, 34205, 88933, 321527, 444665, 1607635, 4179851, 20899255]

約数ペア:

[(1, 20899255), (5, 4179851), (13, 1607635), (47, 444665), (65, 321527), (235, 88933), (611, 34205), (3055, 6841)]