20147458221

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1553509}}^1$

素因数の和:1553657

約数の個数: 24

約数和(自身を含む): 31989877920

約数和(自身を除く): 11842419699

約数列:

[1, 3, 9, 11, 33, 99, 131, 393, 1179, 1441, 4323, 12969, 1553509, 4660527, 13981581, 17088599, 51265797, 153797391, 203509679, 610529037, 1831587111, 2238606469, 6715819407, 20147458221]

約数ペア:

[(1, 20147458221), (3, 6715819407), (9, 2238606469), (11, 1831587111), (33, 610529037), (99, 203509679), (131, 153797391), (393, 51265797), (1179, 17088599), (1441, 13981581), (4323, 4660527), (12969, 1553509)]