20956868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{169007}}^1$

素因数の和:169042

約数の個数: 12

約数和(自身を含む): 37857792

約数和(自身を除く): 16900924

約数列:

[1, 2, 4, 31, 62, 124, 169007, 338014, 676028, 5239217, 10478434, 20956868]

約数ペア:

[(1, 20956868), (2, 10478434), (4, 5239217), (31, 676028), (62, 338014), (124, 169007)]