20605208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{198127}}^1$

素因数の和:198146

約数の個数: 16

約数和(自身を含む): 41606880

約数和(自身を除く): 21001672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 198127, 396254, 792508, 1585016, 2575651, 5151302, 10302604, 20605208]

約数ペア:

[(1, 20605208), (2, 10302604), (4, 5151302), (8, 2575651), (13, 1585016), (26, 792508), (52, 396254), (104, 198127)]