20946235

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{401}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 26088192

約数和(自身を除く): 5141957

約数列:

[1, 5, 31, 155, 337, 401, 1685, 2005, 10447, 12431, 52235, 62155, 135137, 675685, 4189247, 20946235]

約数ペア:

[(1, 20946235), (5, 4189247), (31, 675685), (155, 135137), (337, 62155), (401, 52235), (1685, 12431), (2005, 10447)]