20656706

素因数分解:

$2^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{3361}}^1$

素因数の和:3809

約数の個数: 16

約数和(自身を含む): 35502720

約数和(自身を除く): 14846014

約数列:

[1, 2, 7, 14, 439, 878, 3073, 3361, 6146, 6722, 23527, 47054, 1475479, 2950958, 10328353, 20656706]

約数ペア:

[(1, 20656706), (2, 10328353), (7, 2950958), (14, 1475479), (439, 47054), (878, 23527), (3073, 6722), (3361, 6146)]