20830370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{463}}^1$

素因数の和:890

約数の個数: 32

約数和(自身を含む): 41091840

約数和(自身を除く): 20261470

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 409, 463, 818, 926, 2045, 2315, 4090, 4499, 4630, 5093, 8998, 10186, 22495, 25465, 44990, 50930, 189367, 378734, 946835, 1893670, 2083037, 4166074, 10415185, 20830370]

約数ペア:

[(1, 20830370), (2, 10415185), (5, 4166074), (10, 2083037), (11, 1893670), (22, 946835), (55, 378734), (110, 189367), (409, 50930), (463, 44990), (818, 25465), (926, 22495), (2045, 10186), (2315, 8998), (4090, 5093), (4499, 4630)]