20939204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{36607}}^1$

素因数の和:36635

約数の個数: 24

約数和(自身を含む): 43051008

約数和(自身を除く): 22111804

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 36607, 73214, 146428, 402677, 475891, 805354, 951782, 1610708, 1903564, 5234801, 10469602, 20939204]

約数ペア:

[(1, 20939204), (2, 10469602), (4, 5234801), (11, 1903564), (13, 1610708), (22, 951782), (26, 805354), (44, 475891), (52, 402677), (143, 146428), (286, 73214), (572, 36607)]