20796423

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{409}}^1\times {\mathrm{997}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 29460960

約数和(自身を除く): 8664537

約数列:

[1, 3, 17, 51, 409, 997, 1227, 2991, 6953, 16949, 20859, 50847, 407773, 1223319, 6932141, 20796423]

約数ペア:

[(1, 20796423), (3, 6932141), (17, 1223319), (51, 407773), (409, 50847), (997, 20859), (1227, 16949), (2991, 6953)]