20184999

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1709}}^1$

素因数の和:1870

約数の個数: 16

約数和(自身を含む): 28016640

約数和(自身を除く): 7831641

約数列:

[1, 3, 31, 93, 127, 381, 1709, 3937, 5127, 11811, 52979, 158937, 217043, 651129, 6728333, 20184999]

約数ペア:

[(1, 20184999), (3, 6728333), (31, 651129), (93, 217043), (127, 158937), (381, 52979), (1709, 11811), (3937, 5127)]