16920956

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{25031}}^1$

素因数の和:25061

約数の個数: 18

約数和(自身を含む): 32065992

約数和(自身を除く): 15145036

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 25031, 50062, 100124, 325403, 650806, 1301612, 4230239, 8460478, 16920956]

約数ペア:

[(1, 16920956), (2, 8460478), (4, 4230239), (13, 1301612), (26, 650806), (52, 325403), (169, 100124), (338, 50062), (676, 25031)]