20875605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{60509}}^1$

素因数の和:60540

約数の個数: 16

約数和(自身を含む): 34853760

約数和(自身を除く): 13978155

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 60509, 181527, 302545, 907635, 1391707, 4175121, 6958535, 20875605]

約数ペア:

[(1, 20875605), (3, 6958535), (5, 4175121), (15, 1391707), (23, 907635), (69, 302545), (115, 181527), (345, 60509)]