20597181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{7013}}^1$

素因数の和:7116

約数の個数: 16

約数和(自身を含む): 30300480

約数和(自身を除く): 9703299

約数列:

[1, 3, 11, 33, 89, 267, 979, 2937, 7013, 21039, 77143, 231429, 624157, 1872471, 6865727, 20597181]

約数ペア:

[(1, 20597181), (3, 6865727), (11, 1872471), (33, 624157), (89, 231429), (267, 77143), (979, 21039), (2937, 7013)]