20479277

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{719}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 25320960

約数和(自身を除く): 4841683

約数列:

[1, 7, 13, 91, 313, 719, 2191, 4069, 5033, 9347, 28483, 65429, 225047, 1575329, 2925611, 20479277]

約数ペア:

[(1, 20479277), (7, 2925611), (13, 1575329), (91, 225047), (313, 65429), (719, 28483), (2191, 9347), (4069, 5033)]