20086850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1979}}^1$

素因数の和:2027

約数の個数: 48

約数和(自身を含む): 44193600

約数和(自身を除く): 24106750

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 1979, 2030, 3958, 5075, 9895, 10150, 13853, 19790, 27706, 49475, 57391, 69265, 98950, 114782, 138530, 286955, 346325, 401737, 573910, 692650, 803474, 1434775, 2008685, 2869550, 4017370, 10043425, 20086850]

約数ペア:

[(1, 20086850), (2, 10043425), (5, 4017370), (7, 2869550), (10, 2008685), (14, 1434775), (25, 803474), (29, 692650), (35, 573910), (50, 401737), (58, 346325), (70, 286955), (145, 138530), (175, 114782), (203, 98950), (290, 69265), (350, 57391), (406, 49475), (725, 27706), (1015, 19790), (1450, 13853), (1979, 10150), (2030, 9895), (3958, 5075)]