20680149

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{16691}}^1$

素因数の和:16760

約数の個数: 16

約数和(自身を含む): 32048640

約数和(自身を除く): 11368491

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 16691, 50073, 116837, 350511, 984769, 2954307, 6893383, 20680149]

約数ペア:

[(1, 20680149), (3, 6893383), (7, 2954307), (21, 984769), (59, 350511), (177, 116837), (413, 50073), (1239, 16691)]