20081716

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{97}}^1\times {\mathrm{709}}^1$

素因数の和:883

約数の個数: 24

約数和(自身を含む): 36042440

約数和(自身を除く): 15960724

約数列:

[1, 2, 4, 73, 97, 146, 194, 292, 388, 709, 1418, 2836, 7081, 14162, 28324, 51757, 68773, 103514, 137546, 207028, 275092, 5020429, 10040858, 20081716]

約数ペア:

[(1, 20081716), (2, 10040858), (4, 5020429), (73, 275092), (97, 207028), (146, 137546), (194, 103514), (292, 68773), (388, 51757), (709, 28324), (1418, 14162), (2836, 7081)]