20582709

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{18493}}^1$

素因数の和:18556

約数の個数: 16

約数和(自身を含む): 31957632

約数和(自身を除く): 11374923

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 18493, 55479, 129451, 388353, 980129, 2940387, 6860903, 20582709]

約数ペア:

[(1, 20582709), (3, 6860903), (7, 2940387), (21, 980129), (53, 388353), (159, 129451), (371, 55479), (1113, 18493)]