20392881

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{337}}^1\times {\mathrm{877}}^1$

素因数の和:1240

約数の個数: 16

約数和(自身を含む): 28489344

約数和(自身を除く): 8096463

約数列:

[1, 3, 23, 69, 337, 877, 1011, 2631, 7751, 20171, 23253, 60513, 295549, 886647, 6797627, 20392881]

約数ペア:

[(1, 20392881), (3, 6797627), (23, 886647), (69, 295549), (337, 60513), (877, 23253), (1011, 20171), (2631, 7751)]