20513067

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{7589}}^1$

素因数の和:7662

約数の個数: 16

約数和(自身を含む): 29509920

約数和(自身を除く): 8996853

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 7589, 22767, 129013, 387039, 402217, 1206651, 6837689, 20513067]

約数ペア:

[(1, 20513067), (3, 6837689), (17, 1206651), (51, 402217), (53, 387039), (159, 129013), (901, 22767), (2703, 7589)]