20794278969

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{821}}^1\times {\mathrm{65447}}^1$

素因数の和:66317

約数の個数: 24

約数和(自身を含む): 30772602432

約数和(自身を除く): 9978323463

約数列:

[1, 3, 9, 43, 129, 387, 821, 2463, 7389, 35303, 65447, 105909, 196341, 317727, 589023, 2814221, 8442663, 25327989, 53731987, 161195961, 483587883, 2310475441, 6931426323, 20794278969]

約数ペア:

[(1, 20794278969), (3, 6931426323), (9, 2310475441), (43, 483587883), (129, 161195961), (387, 53731987), (821, 25327989), (2463, 8442663), (7389, 2814221), (35303, 589023), (65447, 317727), (105909, 196341)]