20149767

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{18503}}^1$

素因数の和:18531

約数の個数: 18

約数和(自身を含む): 31993416

約数和(自身を除く): 11843649

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 18503, 55509, 166527, 203533, 610599, 1831797, 2238863, 6716589, 20149767]

約数ペア:

[(1, 20149767), (3, 6716589), (9, 2238863), (11, 1831797), (33, 610599), (99, 203533), (121, 166527), (363, 55509), (1089, 18503)]