20423835

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4679}}^1$

素因数の和:4787

約数の個数: 24

約数和(自身を含む): 35773920

約数和(自身を除く): 15350085

約数列:

[1, 3, 5, 9, 15, 45, 97, 291, 485, 873, 1455, 4365, 4679, 14037, 23395, 42111, 70185, 210555, 453863, 1361589, 2269315, 4084767, 6807945, 20423835]

約数ペア:

[(1, 20423835), (3, 6807945), (5, 4084767), (9, 2269315), (15, 1361589), (45, 453863), (97, 210555), (291, 70185), (485, 42111), (873, 23395), (1455, 14037), (4365, 4679)]