20786687236

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8161}}^1\times {\mathrm{5351}}^1$

素因数の和:13540

約数の個数: 48

約数和(自身を含む): 44032488192

約数和(自身を除く): 23245800956

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 5351, 8161, 10702, 16322, 21404, 32644, 37457, 57127, 74914, 90967, 114254, 138737, 149828, 181934, 228508, 277474, 363868, 554948, 636769, 971159, 1273538, 1942318, 2547076, 3884636, 43669511, 87339022, 174678044, 305686577, 611373154, 742381687, 1222746308, 1484763374, 2969526748, 5196671809, 10393343618, 20786687236]

約数ペア:

[(1, 20786687236), (2, 10393343618), (4, 5196671809), (7, 2969526748), (14, 1484763374), (17, 1222746308), (28, 742381687), (34, 611373154), (68, 305686577), (119, 174678044), (238, 87339022), (476, 43669511), (5351, 3884636), (8161, 2547076), (10702, 1942318), (16322, 1273538), (21404, 971159), (32644, 636769), (37457, 554948), (57127, 363868), (74914, 277474), (90967, 228508), (114254, 181934), (138737, 149828)]