20200072

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 39761280

約数和(自身を除く): 19561208

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 311, 353, 622, 706, 1244, 1412, 2488, 2824, 7153, 8119, 14306, 16238, 28612, 32476, 57224, 64952, 109783, 219566, 439132, 878264, 2525009, 5050018, 10100036, 20200072]

約数ペア:

[(1, 20200072), (2, 10100036), (4, 5050018), (8, 2525009), (23, 878264), (46, 439132), (92, 219566), (184, 109783), (311, 64952), (353, 57224), (622, 32476), (706, 28612), (1244, 16238), (1412, 14306), (2488, 8119), (2824, 7153)]