20371568

素因数分解:

$2^4\times 7^1\times {\mathrm{181889}}^1$

素因数の和:181904

約数の個数: 20

約数和(自身を含む): 45108720

約数和(自身を除く): 24737152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 181889, 363778, 727556, 1273223, 1455112, 2546446, 2910224, 5092892, 10185784, 20371568]

約数ペア:

[(1, 20371568), (2, 10185784), (4, 5092892), (7, 2910224), (8, 2546446), (14, 1455112), (16, 1273223), (28, 727556), (56, 363778), (112, 181889)]