20097693

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1381}}^1$

素因数の和:1415

約数の個数: 48

約数和(自身を含む): 37811520

約数和(自身を除く): 17713827

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1323, 1381, 1617, 2079, 4143, 4851, 9667, 12429, 14553, 15191, 29001, 37287, 45573, 67669, 87003, 106337, 136719, 203007, 261009, 319011, 410157, 609021, 744359, 957033, 1827063, 2233077, 2871099, 6699231, 20097693]

約数ペア:

[(1, 20097693), (3, 6699231), (7, 2871099), (9, 2233077), (11, 1827063), (21, 957033), (27, 744359), (33, 609021), (49, 410157), (63, 319011), (77, 261009), (99, 203007), (147, 136719), (189, 106337), (231, 87003), (297, 67669), (441, 45573), (539, 37287), (693, 29001), (1323, 15191), (1381, 14553), (1617, 12429), (2079, 9667), (4143, 4851)]