20517926

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71741}}^1$

素因数の和:71767

約数の個数: 16

約数和(自身を含む): 36157968

約数和(自身を除く): 15640042

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 71741, 143482, 789151, 932633, 1578302, 1865266, 10258963, 20517926]

約数ペア:

[(1, 20517926), (2, 10258963), (11, 1865266), (13, 1578302), (22, 932633), (26, 789151), (143, 143482), (286, 71741)]