20396818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{1787}}^1$

素因数の和:2241

約数の個数: 16

約数和(自身を含む): 33042240

約数和(自身を除く): 12645422

約数列:

[1, 2, 13, 26, 439, 878, 1787, 3574, 5707, 11414, 23231, 46462, 784493, 1568986, 10198409, 20396818]

約数ペア:

[(1, 20396818), (2, 10198409), (13, 1568986), (26, 784493), (439, 46462), (878, 23231), (1787, 11414), (3574, 5707)]