20080935

素因数分解:

$3^2\times 5^1\times 7^3\times {\mathrm{1301}}^1$

素因数の和:1333

約数の個数: 48

約数和(自身を含む): 40622400

約数和(自身を除く): 20541465

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 343, 441, 735, 1029, 1301, 1715, 2205, 3087, 3903, 5145, 6505, 9107, 11709, 15435, 19515, 27321, 45535, 58545, 63749, 81963, 136605, 191247, 318745, 409815, 446243, 573741, 956235, 1338729, 2231215, 2868705, 4016187, 6693645, 20080935]

約数ペア:

[(1, 20080935), (3, 6693645), (5, 4016187), (7, 2868705), (9, 2231215), (15, 1338729), (21, 956235), (35, 573741), (45, 446243), (49, 409815), (63, 318745), (105, 191247), (147, 136605), (245, 81963), (315, 63749), (343, 58545), (441, 45535), (735, 27321), (1029, 19515), (1301, 15435), (1715, 11709), (2205, 9107), (3087, 6505), (3903, 5145)]