20320850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{36947}}^1$

素因数の和:36970

約数の個数: 24

約数和(自身を含む): 41233968

約数和(自身を除く): 20913118

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 36947, 73894, 184735, 369470, 406417, 812834, 923675, 1847350, 2032085, 4064170, 10160425, 20320850]

約数ペア:

[(1, 20320850), (2, 10160425), (5, 4064170), (10, 2032085), (11, 1847350), (22, 923675), (25, 812834), (50, 406417), (55, 369470), (110, 184735), (275, 73894), (550, 36947)]