20858879998

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{521}}^1\times {\mathrm{7193}}^1$

素因数の和:7761

約数の個数: 48

約数和(自身を含む): 35960446368

約数和(自身を除く): 15101566370

約数列:

[1, 2, 11, 22, 23, 46, 121, 242, 253, 506, 521, 1042, 2783, 5566, 5731, 7193, 11462, 11983, 14386, 23966, 63041, 79123, 126082, 131813, 158246, 165439, 263626, 330878, 870353, 1449943, 1740706, 1819829, 2899886, 3639658, 3747553, 7495106, 20018119, 40036238, 41223083, 82446166, 86193719, 172387438, 453453913, 906907826, 948130909, 1896261818, 10429439999, 20858879998]

約数ペア:

[(1, 20858879998), (2, 10429439999), (11, 1896261818), (22, 948130909), (23, 906907826), (46, 453453913), (121, 172387438), (242, 86193719), (253, 82446166), (506, 41223083), (521, 40036238), (1042, 20018119), (2783, 7495106), (5566, 3747553), (5731, 3639658), (7193, 2899886), (11462, 1819829), (11983, 1740706), (14386, 1449943), (23966, 870353), (63041, 330878), (79123, 263626), (126082, 165439), (131813, 158246)]