20386773

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4789}}^1$

素因数の和:4849

約数の個数: 24

約数和(自身を含む): 32878560

約数和(自身を除く): 12491787

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 4789, 14367, 43101, 52679, 158037, 205927, 474111, 617781, 1853343, 2265197, 6795591, 20386773]

約数ペア:

[(1, 20386773), (3, 6795591), (9, 2265197), (11, 1853343), (33, 617781), (43, 474111), (99, 205927), (129, 158037), (387, 52679), (473, 43101), (1419, 14367), (4257, 4789)]