20586157551

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{2243}}^1$

素因数の和:2644

約数の個数: 48

約数和(自身を含む): 30850440192

約数和(自身を除く): 10264282641

約数列:

[1, 3, 9, 53, 71, 159, 213, 271, 477, 639, 813, 2243, 2439, 3763, 6729, 11289, 14363, 19241, 20187, 33867, 43089, 57723, 118879, 129267, 159253, 173169, 356637, 477759, 607853, 1019773, 1069911, 1433277, 1823559, 3059319, 5470677, 8440409, 9177957, 25321227, 32216209, 43157563, 75963681, 96648627, 129472689, 289945881, 388418067, 2287350839, 6862052517, 20586157551]

約数ペア:

[(1, 20586157551), (3, 6862052517), (9, 2287350839), (53, 388418067), (71, 289945881), (159, 129472689), (213, 96648627), (271, 75963681), (477, 43157563), (639, 32216209), (813, 25321227), (2243, 9177957), (2439, 8440409), (3763, 5470677), (6729, 3059319), (11289, 1823559), (14363, 1433277), (19241, 1069911), (20187, 1019773), (33867, 607853), (43089, 477759), (57723, 356637), (118879, 173169), (129267, 159253)]