20471056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67339}}^1$

素因数の和:67366

約数の個数: 20

約数和(自身を含む): 41750800

約数和(自身を除く): 21279744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 67339, 134678, 269356, 538712, 1077424, 1279441, 2558882, 5117764, 10235528, 20471056]

約数ペア:

[(1, 20471056), (2, 10235528), (4, 5117764), (8, 2558882), (16, 1279441), (19, 1077424), (38, 538712), (76, 269356), (152, 134678), (304, 67339)]