20931581

素因数分解:

${\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{26801}}^1$

素因数の和:26883

約数の個数: 8

約数和(自身を含む): 23156928

約数和(自身を除く): 2225347

約数列:

[1, 11, 71, 781, 26801, 294811, 1902871, 20931581]

約数ペア:

[(1, 20931581), (11, 1902871), (71, 294811), (781, 26801)]