20795733

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 35957376

約数和(自身を除く): 15161643

約数列:

[1, 3, 7, 9, 21, 41, 63, 83, 97, 123, 249, 287, 291, 369, 581, 679, 747, 861, 873, 1743, 2037, 2583, 3403, 3977, 5229, 6111, 8051, 10209, 11931, 23821, 24153, 27839, 30627, 35793, 56357, 71463, 72459, 83517, 169071, 214389, 250551, 330091, 507213, 990273, 2310637, 2970819, 6931911, 20795733]

約数ペア:

[(1, 20795733), (3, 6931911), (7, 2970819), (9, 2310637), (21, 990273), (41, 507213), (63, 330091), (83, 250551), (97, 214389), (123, 169071), (249, 83517), (287, 72459), (291, 71463), (369, 56357), (581, 35793), (679, 30627), (747, 27839), (861, 24153), (873, 23821), (1743, 11931), (2037, 10209), (2583, 8051), (3403, 6111), (3977, 5229)]