20165042740

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{457}}^1\times {\mathrm{11551}}^1$

素因数の和:12208

約数の個数: 48

約数和(自身を含む): 42665140224

約数和(自身を除く): 22500097484

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 457, 764, 914, 955, 1828, 1910, 2285, 3820, 4570, 9140, 11551, 23102, 46204, 57755, 87287, 115510, 174574, 231020, 349148, 436435, 872870, 1745740, 2206241, 4412482, 5278807, 8824964, 10557614, 11031205, 21115228, 22062410, 26394035, 44124820, 52788070, 105576140, 1008252137, 2016504274, 4033008548, 5041260685, 10082521370, 20165042740]

約数ペア:

[(1, 20165042740), (2, 10082521370), (4, 5041260685), (5, 4033008548), (10, 2016504274), (20, 1008252137), (191, 105576140), (382, 52788070), (457, 44124820), (764, 26394035), (914, 22062410), (955, 21115228), (1828, 11031205), (1910, 10557614), (2285, 8824964), (3820, 5278807), (4570, 4412482), (9140, 2206241), (11551, 1745740), (23102, 872870), (46204, 436435), (57755, 349148), (87287, 231020), (115510, 174574)]