20117713

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13751}}^1$

素因数の和:13788

約数の個数: 16

約数和(自身を含む): 26403840

約数和(自身を除く): 6286127

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13751, 96257, 151261, 261269, 1058827, 1828883, 2873959, 20117713]

約数ペア:

[(1, 20117713), (7, 2873959), (11, 1828883), (19, 1058827), (77, 261269), (133, 151261), (209, 96257), (1463, 13751)]