20196651267

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{810427}}^1$

素因数の和:810520

約数の個数: 32

約数和(自身を含む): 32676456960

約数和(自身を除く): 12479805693

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 8307, 24921, 810427, 2431281, 7293843, 10535551, 21881529, 31606653, 57540317, 94819959, 172620951, 284459877, 517862853, 748024121, 1553588559, 2244072363, 6732217089, 20196651267]

約数ペア:

[(1, 20196651267), (3, 6732217089), (9, 2244072363), (13, 1553588559), (27, 748024121), (39, 517862853), (71, 284459877), (117, 172620951), (213, 94819959), (351, 57540317), (639, 31606653), (923, 21881529), (1917, 10535551), (2769, 7293843), (8307, 2431281), (24921, 810427)]