20880706

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{135589}}^1$

素因数の和:135609

約数の個数: 16

約数和(自身を含む): 39049920

約数和(自身を除く): 18169214

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 135589, 271178, 949123, 1491479, 1898246, 2982958, 10440353, 20880706]

約数ペア:

[(1, 20880706), (2, 10440353), (7, 2982958), (11, 1898246), (14, 1491479), (22, 949123), (77, 271178), (154, 135589)]