20191808559

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1987}}^1\times {\mathrm{3889}}^1$

素因数の和:5959

約数の個数: 32

約数和(自身を含む): 29448482560

約数和(自身を除く): 9256674001

約数列:

[1, 3, 13, 39, 67, 201, 871, 1987, 2613, 3889, 5961, 11667, 25831, 50557, 77493, 133129, 151671, 260563, 399387, 781689, 1730677, 3387319, 5192031, 7727443, 10161957, 23182329, 100456759, 301370277, 517738681, 1553216043, 6730602853, 20191808559]

約数ペア:

[(1, 20191808559), (3, 6730602853), (13, 1553216043), (39, 517738681), (67, 301370277), (201, 100456759), (871, 23182329), (1987, 10161957), (2613, 7727443), (3889, 5192031), (5961, 3387319), (11667, 1730677), (25831, 781689), (50557, 399387), (77493, 260563), (133129, 151671)]