20906256

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1447}}^1$

素因数の和:1508

約数の個数: 80

約数和(自身を含む): 63202304

約数和(自身を除く): 42296048

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 43, 48, 56, 84, 86, 112, 129, 168, 172, 258, 301, 336, 344, 516, 602, 688, 903, 1032, 1204, 1447, 1806, 2064, 2408, 2894, 3612, 4341, 4816, 5788, 7224, 8682, 10129, 11576, 14448, 17364, 20258, 23152, 30387, 34728, 40516, 60774, 62221, 69456, 81032, 121548, 124442, 162064, 186663, 243096, 248884, 373326, 435547, 486192, 497768, 746652, 871094, 995536, 1306641, 1493304, 1742188, 2613282, 2986608, 3484376, 5226564, 6968752, 10453128, 20906256]

約数ペア:

[(1, 20906256), (2, 10453128), (3, 6968752), (4, 5226564), (6, 3484376), (7, 2986608), (8, 2613282), (12, 1742188), (14, 1493304), (16, 1306641), (21, 995536), (24, 871094), (28, 746652), (42, 497768), (43, 486192), (48, 435547), (56, 373326), (84, 248884), (86, 243096), (112, 186663), (129, 162064), (168, 124442), (172, 121548), (258, 81032), (301, 69456), (336, 62221), (344, 60774), (516, 40516), (602, 34728), (688, 30387), (903, 23152), (1032, 20258), (1204, 17364), (1447, 14448), (1806, 11576), (2064, 10129), (2408, 8682), (2894, 7224), (3612, 5788), (4341, 4816)]