20145408420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{996311}}^1$

素因数の和:996660

約数の個数: 48

約数和(自身を含む): 56574580608

約数和(自身を除く): 36429172188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 337, 674, 1011, 1348, 1685, 2022, 3370, 4044, 5055, 6740, 10110, 20220, 996311, 1992622, 2988933, 3985244, 4981555, 5977866, 9963110, 11955732, 14944665, 19926220, 29889330, 59778660, 335756807, 671513614, 1007270421, 1343027228, 1678784035, 2014540842, 3357568070, 4029081684, 5036352105, 6715136140, 10072704210, 20145408420]

約数ペア:

[(1, 20145408420), (2, 10072704210), (3, 6715136140), (4, 5036352105), (5, 4029081684), (6, 3357568070), (10, 2014540842), (12, 1678784035), (15, 1343027228), (20, 1007270421), (30, 671513614), (60, 335756807), (337, 59778660), (674, 29889330), (1011, 19926220), (1348, 14944665), (1685, 11955732), (2022, 9963110), (3370, 5977866), (4044, 4981555), (5055, 3985244), (6740, 2988933), (10110, 1992622), (20220, 996311)]