20804726894

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{6473}}^1$

素因数の和:6825

約数の個数: 64

約数和(自身を含む): 38558108160

約数和(自身を除く): 17753381266

約数列:

[1, 2, 7, 14, 19, 38, 43, 86, 133, 266, 281, 301, 562, 602, 817, 1634, 1967, 3934, 5339, 5719, 6473, 10678, 11438, 12083, 12946, 24166, 37373, 45311, 74746, 84581, 90622, 122987, 169162, 229577, 245974, 278339, 459154, 556678, 860909, 1607039, 1721818, 1818913, 1948373, 3214078, 3637826, 3896746, 5288441, 10576882, 12732391, 25464782, 34559347, 37019087, 69118694, 74038174, 78213259, 156426518, 241915429, 483830858, 547492813, 1094985626, 1486051921, 2972103842, 10402363447, 20804726894]

約数ペア:

[(1, 20804726894), (2, 10402363447), (7, 2972103842), (14, 1486051921), (19, 1094985626), (38, 547492813), (43, 483830858), (86, 241915429), (133, 156426518), (266, 78213259), (281, 74038174), (301, 69118694), (562, 37019087), (602, 34559347), (817, 25464782), (1634, 12732391), (1967, 10576882), (3934, 5288441), (5339, 3896746), (5719, 3637826), (6473, 3214078), (10678, 1948373), (11438, 1818913), (12083, 1721818), (12946, 1607039), (24166, 860909), (37373, 556678), (45311, 459154), (74746, 278339), (84581, 245974), (90622, 229577), (122987, 169162)]