20646968

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25057}}^1$

素因数の和:25166

約数の個数: 16

約数和(自身を含む): 39090480

約数和(自身を除く): 18443512

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25057, 50114, 100228, 200456, 2580871, 5161742, 10323484, 20646968]

約数ペア:

[(1, 20646968), (2, 10323484), (4, 5161742), (8, 2580871), (103, 200456), (206, 100228), (412, 50114), (824, 25057)]