20274210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20479}}^1$

素因数の和:20503

約数の個数: 48

約数和(自身を含む): 57507840

約数和(自身を除く): 37233630

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 20479, 40958, 61437, 102395, 122874, 184311, 204790, 225269, 307185, 368622, 450538, 614370, 675807, 921555, 1126345, 1351614, 1843110, 2027421, 2252690, 3379035, 4054842, 6758070, 10137105, 20274210]

約数ペア:

[(1, 20274210), (2, 10137105), (3, 6758070), (5, 4054842), (6, 3379035), (9, 2252690), (10, 2027421), (11, 1843110), (15, 1351614), (18, 1126345), (22, 921555), (30, 675807), (33, 614370), (45, 450538), (55, 368622), (66, 307185), (90, 225269), (99, 204790), (110, 184311), (165, 122874), (198, 102395), (330, 61437), (495, 40958), (990, 20479)]