20472669

素因数分解:

$3^4\times 7^1\times {\mathrm{36107}}^1$

素因数の和:36126

約数の個数: 20

約数和(自身を含む): 34952544

約数和(自身を除く): 14479875

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 36107, 108321, 252749, 324963, 758247, 974889, 2274741, 2924667, 6824223, 20472669]

約数ペア:

[(1, 20472669), (3, 6824223), (7, 2924667), (9, 2274741), (21, 974889), (27, 758247), (63, 324963), (81, 252749), (189, 108321), (567, 36107)]