20173307

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13789}}^1$

素因数の和:13826

約数の個数: 16

約数和(自身を含む): 26476800

約数和(自身を除く): 6303493

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13789, 96523, 151679, 261991, 1061753, 1833937, 2881901, 20173307]

約数ペア:

[(1, 20173307), (7, 2881901), (11, 1833937), (19, 1061753), (77, 261991), (133, 151679), (209, 96523), (1463, 13789)]