20569381

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{5333}}^1$

素因数の和:5388

約数の個数: 16

約数和(自身を含む): 25603200

約数和(自身を除く): 5033819

約数列:

[1, 7, 19, 29, 133, 203, 551, 3857, 5333, 37331, 101327, 154657, 709289, 1082599, 2938483, 20569381]

約数ペア:

[(1, 20569381), (7, 2938483), (19, 1082599), (29, 709289), (133, 154657), (203, 101327), (551, 37331), (3857, 5333)]