20565321

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{33769}}^1$

素因数の和:33808

約数の個数: 16

約数和(自身を含む): 32419200

約数和(自身を除く): 11853879

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 33769, 101307, 236383, 709149, 979301, 2937903, 6855107, 20565321]

約数ペア:

[(1, 20565321), (3, 6855107), (7, 2937903), (21, 979301), (29, 709149), (87, 236383), (203, 101307), (609, 33769)]