20526651

素因数分解:

$3^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 30399200

約数和(自身を除く): 9872549

約数列:

[1, 3, 9, 73, 157, 199, 219, 471, 597, 657, 1413, 1791, 11461, 14527, 31243, 34383, 43581, 93729, 103149, 130743, 281187, 2280739, 6842217, 20526651]

約数ペア:

[(1, 20526651), (3, 6842217), (9, 2280739), (73, 281187), (157, 130743), (199, 103149), (219, 93729), (471, 43581), (597, 34383), (657, 31243), (1413, 14527), (1791, 11461)]