20955385

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1823}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 29111040

約数和(自身を除く): 8155655

約数列:

[1, 5, 11, 19, 55, 95, 121, 209, 605, 1045, 1823, 2299, 9115, 11495, 20053, 34637, 100265, 173185, 220583, 381007, 1102915, 1905035, 4191077, 20955385]

約数ペア:

[(1, 20955385), (5, 4191077), (11, 1905035), (19, 1102915), (55, 381007), (95, 220583), (121, 173185), (209, 100265), (605, 34637), (1045, 20053), (1823, 11495), (2299, 9115)]