19903220

素因数分解:

$2^2\times 5^1\times {\mathrm{337}}^1\times {\mathrm{2953}}^1$

素因数の和:3299

約数の個数: 24

約数和(自身を含む): 41934984

約数和(自身を除く): 22031764

約数列:

[1, 2, 4, 5, 10, 20, 337, 674, 1348, 1685, 2953, 3370, 5906, 6740, 11812, 14765, 29530, 59060, 995161, 1990322, 3980644, 4975805, 9951610, 19903220]

約数ペア:

[(1, 19903220), (2, 9951610), (4, 4975805), (5, 3980644), (10, 1990322), (20, 995161), (337, 59060), (674, 29530), (1348, 14765), (1685, 11812), (2953, 6740), (3370, 5906)]