20187937

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13799}}^1$

素因数の和:13836

約数の個数: 16

約数和(自身を含む): 26496000

約数和(自身を除く): 6308063

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 13799, 96593, 151789, 262181, 1062523, 1835267, 2883991, 20187937]

約数ペア:

[(1, 20187937), (7, 2883991), (11, 1835267), (19, 1062523), (77, 262181), (133, 151789), (209, 96593), (1463, 13799)]