20900988361

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293269}}^1$

素因数の和:293341

約数の個数: 24

約数和(自身を含む): 24963142400

約数和(自身を除く): 4062154039

約数列:

[1, 11, 19, 31, 121, 209, 341, 589, 2299, 3751, 6479, 71269, 293269, 3225959, 5572111, 9091339, 35485549, 61293221, 100004729, 172735441, 674225431, 1100052019, 1900089851, 20900988361]

約数ペア:

[(1, 20900988361), (11, 1900089851), (19, 1100052019), (31, 674225431), (121, 172735441), (209, 100004729), (341, 61293221), (589, 35485549), (2299, 9091339), (3751, 5572111), (6479, 3225959), (71269, 293269)]