20631863

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{281}}^1\times {\mathrm{617}}^1$

素因数の和:922

約数の個数: 16

約数和(自身を含む): 25095744

約数和(自身を除く): 4463881

約数列:

[1, 7, 17, 119, 281, 617, 1967, 4319, 4777, 10489, 33439, 73423, 173377, 1213639, 2947409, 20631863]

約数ペア:

[(1, 20631863), (7, 2947409), (17, 1213639), (119, 173377), (281, 73423), (617, 33439), (1967, 10489), (4319, 4777)]