20926689

素因数分解:

$3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{2957}}^1$

素因数の和:3304

約数の個数: 16

約数和(自身を含む): 31993728

約数和(自身を除く): 11067039

約数列:

[1, 3, 7, 21, 337, 1011, 2359, 2957, 7077, 8871, 20699, 62097, 996509, 2989527, 6975563, 20926689]

約数ペア:

[(1, 20926689), (3, 6975563), (7, 2989527), (21, 996509), (337, 62097), (1011, 20699), (2359, 8871), (2957, 7077)]