20204857

素因数分解:

${\mathrm{17}}^2\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:648

約数の個数: 12

約数和(自身を含む): 21652096

約数和(自身を除く): 1447239

約数列:

[1, 17, 151, 289, 463, 2567, 7871, 43639, 69913, 133807, 1188521, 20204857]

約数ペア:

[(1, 20204857), (17, 1188521), (151, 133807), (289, 69913), (463, 43639), (2567, 7871)]