20914072

素因数分解:

$2^3\times {\mathrm{1321}}^1\times {\mathrm{1979}}^1$

素因数の和:3306

約数の個数: 16

約数和(自身を含む): 39263400

約数和(自身を除く): 18349328

約数列:

[1, 2, 4, 8, 1321, 1979, 2642, 3958, 5284, 7916, 10568, 15832, 2614259, 5228518, 10457036, 20914072]

約数ペア:

[(1, 20914072), (2, 10457036), (4, 5228518), (8, 2614259), (1321, 15832), (1979, 10568), (2642, 7916), (3958, 5284)]