20742250

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{2861}}^1$

素因数の和:2907

約数の個数: 32

約数和(自身を含む): 40182480

約数和(自身を除く): 19440230

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 725, 1450, 2861, 3625, 5722, 7250, 14305, 28610, 71525, 82969, 143050, 165938, 357625, 414845, 715250, 829690, 2074225, 4148450, 10371125, 20742250]

約数ペア:

[(1, 20742250), (2, 10371125), (5, 4148450), (10, 2074225), (25, 829690), (29, 715250), (50, 414845), (58, 357625), (125, 165938), (145, 143050), (250, 82969), (290, 71525), (725, 28610), (1450, 14305), (2861, 7250), (3625, 5722)]