20405792151

素因数分解:

$3^2\times {\mathrm{1321}}^1\times {\mathrm{1716359}}^1$

素因数の和:1717686

約数の個数: 12

約数和(自身を含む): 29497362960

約数和(自身を除く): 9091570809

約数列:

[1, 3, 9, 1321, 3963, 11889, 1716359, 5149077, 15447231, 2267310239, 6801930717, 20405792151]

約数ペア:

[(1, 20405792151), (3, 6801930717), (9, 2267310239), (1321, 15447231), (3963, 5149077), (11889, 1716359)]