20407574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8209}}^1$

素因数の和:8335

約数の個数: 16

約数和(自身を含む): 33693840

約数和(自身を除く): 13286266

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 8209, 16418, 90299, 180598, 927617, 1855234, 10203787, 20407574]

約数ペア:

[(1, 20407574), (2, 10203787), (11, 1855234), (22, 927617), (113, 180598), (226, 90299), (1243, 16418), (2486, 8209)]