20265579

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{3889}}^1$

素因数の和:4091

約数の個数: 16

約数和(自身を含む): 30186400

約数和(自身を除く): 9920821

約数列:

[1, 3, 9, 27, 193, 579, 1737, 3889, 5211, 11667, 35001, 105003, 750577, 2251731, 6755193, 20265579]

約数ペア:

[(1, 20265579), (3, 6755193), (9, 2251731), (27, 750577), (193, 105003), (579, 35001), (1737, 11667), (3889, 5211)]