20018367

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43613}}^1$

素因数の和:43639

約数の個数: 16

約数和(自身を含む): 31402080

約数和(自身を除く): 11383713

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 43613, 130839, 392517, 741421, 1177551, 2224263, 6672789, 20018367]

約数ペア:

[(1, 20018367), (3, 6672789), (9, 2224263), (17, 1177551), (27, 741421), (51, 392517), (153, 130839), (459, 43613)]