2080771427

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{14207}}^1$

素因数の和:14296

約数の個数: 20

約数和(自身を含む): 2467389696

約数和(自身を除く): 386618269

約数列:

[1, 7, 49, 61, 343, 427, 2401, 2989, 14207, 20923, 99449, 146461, 696143, 866627, 4873001, 6066389, 34111007, 42464723, 297253061, 2080771427]

約数ペア:

[(1, 2080771427), (7, 297253061), (49, 42464723), (61, 34111007), (343, 6066389), (427, 4873001), (2401, 866627), (2989, 696143), (14207, 146461), (20923, 99449)]