20888923

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1242

約数の個数: 16

約数和(自身を含む): 24278400

約数和(自身を除く): 3389477

約数列:

[1, 11, 19, 89, 209, 979, 1123, 1691, 12353, 18601, 21337, 99947, 234707, 1099417, 1898993, 20888923]

約数ペア:

[(1, 20888923), (11, 1898993), (19, 1099417), (89, 234707), (209, 99947), (979, 21337), (1123, 18601), (1691, 12353)]