20348885

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 25166592

約数和(自身を除く): 4817707

約数列:

[1, 5, 47, 131, 235, 655, 661, 3305, 6157, 30785, 31067, 86591, 155335, 432955, 4069777, 20348885]

約数ペア:

[(1, 20348885), (5, 4069777), (47, 432955), (131, 155335), (235, 86591), (655, 31067), (661, 30785), (3305, 6157)]