20173545

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{1307}}^1$

素因数の和:1339

約数の個数: 48

約数和(自身を含む): 40809600

約数和(自身を除く): 20636055

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1307, 1715, 2205, 3087, 3921, 5145, 6535, 9149, 11763, 15435, 19605, 27447, 45745, 58815, 64043, 82341, 137235, 192129, 320215, 411705, 448301, 576387, 960645, 1344903, 2241505, 2881935, 4034709, 6724515, 20173545]

約数ペア:

[(1, 20173545), (3, 6724515), (5, 4034709), (7, 2881935), (9, 2241505), (15, 1344903), (21, 960645), (35, 576387), (45, 448301), (49, 411705), (63, 320215), (105, 192129), (147, 137235), (245, 82341), (315, 64043), (343, 58815), (441, 45745), (735, 27447), (1029, 19605), (1307, 15435), (1715, 11763), (2205, 9149), (3087, 6535), (3921, 5145)]