20707947

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{58997}}^1$

素因数の和:59019

約数の個数: 16

約数和(自身を含む): 33038880

約数和(自身を除く): 12330933

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 58997, 176991, 530973, 766961, 1592919, 2300883, 6902649, 20707947]

約数ペア:

[(1, 20707947), (3, 6902649), (9, 2300883), (13, 1592919), (27, 766961), (39, 530973), (117, 176991), (351, 58997)]