20338125

素因数分解:

$3^1\times 5^4\times {\mathrm{10847}}^1$

素因数の和:10870

約数の個数: 20

約数和(自身を含む): 33889152

約数和(自身を除く): 13551027

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 10847, 32541, 54235, 162705, 271175, 813525, 1355875, 4067625, 6779375, 20338125]

約数ペア:

[(1, 20338125), (3, 6779375), (5, 4067625), (15, 1355875), (25, 813525), (75, 271175), (125, 162705), (375, 54235), (625, 32541), (1875, 10847)]