20907161

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4861}}^1$

素因数の和:4912

約数の個数: 16

約数和(自身を含む): 25204608

約数和(自身を除く): 4297447

約数列:

[1, 11, 17, 23, 187, 253, 391, 4301, 4861, 53471, 82637, 111803, 909007, 1229833, 1900651, 20907161]

約数ペア:

[(1, 20907161), (11, 1900651), (17, 1229833), (23, 909007), (187, 111803), (253, 82637), (391, 53471), (4301, 4861)]