20132245

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 29237760

約数和(自身を除く): 9105515

約数列:

[1, 5, 7, 23, 35, 89, 115, 161, 281, 445, 623, 805, 1405, 1967, 2047, 3115, 6463, 9835, 10235, 14329, 25009, 32315, 45241, 71645, 125045, 175063, 226205, 575207, 875315, 2876035, 4026449, 20132245]

約数ペア:

[(1, 20132245), (5, 4026449), (7, 2876035), (23, 875315), (35, 575207), (89, 226205), (115, 175063), (161, 125045), (281, 71645), (445, 45241), (623, 32315), (805, 25009), (1405, 14329), (1967, 10235), (2047, 9835), (3115, 6463)]