20808157887

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{1737053}}^1$

素因数の和:1737092

約数の個数: 24

約数和(自身を含む): 33059611728

約数和(自身を除く): 12251453841

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 1331, 3993, 11979, 1737053, 5211159, 15633477, 19107583, 57322749, 171968247, 210183413, 630550239, 1891650717, 2312017543, 6936052629, 20808157887]

約数ペア:

[(1, 20808157887), (3, 6936052629), (9, 2312017543), (11, 1891650717), (33, 630550239), (99, 210183413), (121, 171968247), (363, 57322749), (1089, 19107583), (1331, 15633477), (3993, 5211159), (11979, 1737053)]