20257816

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{58889}}^1$

素因数の和:58938

約数の個数: 16

約数和(自身を含む): 38867400

約数和(自身を除く): 18609584

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 58889, 117778, 235556, 471112, 2532227, 5064454, 10128908, 20257816]

約数ペア:

[(1, 20257816), (2, 10128908), (4, 5064454), (8, 2532227), (43, 471112), (86, 235556), (172, 117778), (344, 58889)]