20199756356

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{388456853}}^1$

素因数の和:388456870

約数の個数: 12

約数和(自身を含む): 38068771692

約数和(自身を除く): 17869015336

約数列:

[1, 2, 4, 13, 26, 52, 388456853, 776913706, 1553827412, 5049939089, 10099878178, 20199756356]

約数ペア:

[(1, 20199756356), (2, 10099878178), (4, 5049939089), (13, 1553827412), (26, 776913706), (52, 388456853)]