20797578

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{28181}}^1$

素因数の和:28230

約数の個数: 24

約数和(自身を含む): 46162116

約数和(自身を除く): 25364538

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 246, 369, 738, 28181, 56362, 84543, 169086, 253629, 507258, 1155421, 2310842, 3466263, 6932526, 10398789, 20797578]

約数ペア:

[(1, 20797578), (2, 10398789), (3, 6932526), (6, 3466263), (9, 2310842), (18, 1155421), (41, 507258), (82, 253629), (123, 169086), (246, 84543), (369, 56362), (738, 28181)]