20266431

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{2297}}^1$

素因数の和:2490

約数の個数: 16

約数和(自身を含む): 28789344

約数和(自身を除く): 8522913

約数列:

[1, 3, 17, 51, 173, 519, 2297, 2941, 6891, 8823, 39049, 117147, 397381, 1192143, 6755477, 20266431]

約数ペア:

[(1, 20266431), (3, 6755477), (17, 1192143), (51, 397381), (173, 117147), (519, 39049), (2297, 8823), (2941, 6891)]