20190994555

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^2\times {\mathrm{25841}}^1$

素因数の和:26019

約数の個数: 24

約数和(自身を含む): 25368988032

約数和(自身を除く): 5177993477

約数列:

[1, 5, 31, 71, 155, 355, 2201, 5041, 11005, 25205, 25841, 129205, 156271, 781355, 801071, 1834711, 4005355, 9173555, 56876041, 130264481, 284380205, 651322405, 4038198911, 20190994555]

約数ペア:

[(1, 20190994555), (5, 4038198911), (31, 651322405), (71, 284380205), (155, 130264481), (355, 56876041), (2201, 9173555), (5041, 4005355), (11005, 1834711), (25205, 801071), (25841, 781355), (129205, 156271)]