20803706

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135089}}^1$

素因数の和:135109

約数の個数: 16

約数和(自身を含む): 38905920

約数和(自身を除く): 18102214

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135089, 270178, 945623, 1485979, 1891246, 2971958, 10401853, 20803706]

約数ペア:

[(1, 20803706), (2, 10401853), (7, 2971958), (11, 1891246), (14, 1485979), (22, 945623), (77, 270178), (154, 135089)]