20780490066

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{275027}}^1$

素因数の和:275303

約数の個数: 48

約数和(自身を含む): 48534741216

約数和(自身を除く): 27754251150

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 257, 294, 514, 771, 1542, 1799, 3598, 5397, 10794, 12593, 25186, 37779, 75558, 275027, 550054, 825081, 1650162, 1925189, 3850378, 5775567, 11551134, 13476323, 26952646, 40428969, 70681939, 80857938, 141363878, 212045817, 424091634, 494773573, 989547146, 1484320719, 2968641438, 3463415011, 6926830022, 10390245033, 20780490066]

約数ペア:

[(1, 20780490066), (2, 10390245033), (3, 6926830022), (6, 3463415011), (7, 2968641438), (14, 1484320719), (21, 989547146), (42, 494773573), (49, 424091634), (98, 212045817), (147, 141363878), (257, 80857938), (294, 70681939), (514, 40428969), (771, 26952646), (1542, 13476323), (1799, 11551134), (3598, 5775567), (5397, 3850378), (10794, 1925189), (12593, 1650162), (25186, 825081), (37779, 550054), (75558, 275027)]