20877472

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 52859520

約数和(自身を除く): 31982048

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 37, 44, 56, 74, 77, 88, 112, 148, 154, 176, 224, 229, 259, 296, 308, 352, 407, 458, 518, 592, 616, 814, 916, 1036, 1184, 1232, 1603, 1628, 1832, 2072, 2464, 2519, 2849, 3206, 3256, 3664, 4144, 5038, 5698, 6412, 6512, 7328, 8288, 8473, 10076, 11396, 12824, 13024, 16946, 17633, 20152, 22792, 25648, 33892, 35266, 40304, 45584, 51296, 59311, 67784, 70532, 80608, 91168, 93203, 118622, 135568, 141064, 186406, 237244, 271136, 282128, 372812, 474488, 564256, 652421, 745624, 948976, 1304842, 1491248, 1897952, 2609684, 2982496, 5219368, 10438736, 20877472]

約数ペア:

[(1, 20877472), (2, 10438736), (4, 5219368), (7, 2982496), (8, 2609684), (11, 1897952), (14, 1491248), (16, 1304842), (22, 948976), (28, 745624), (32, 652421), (37, 564256), (44, 474488), (56, 372812), (74, 282128), (77, 271136), (88, 237244), (112, 186406), (148, 141064), (154, 135568), (176, 118622), (224, 93203), (229, 91168), (259, 80608), (296, 70532), (308, 67784), (352, 59311), (407, 51296), (458, 45584), (518, 40304), (592, 35266), (616, 33892), (814, 25648), (916, 22792), (1036, 20152), (1184, 17633), (1232, 16946), (1603, 13024), (1628, 12824), (1832, 11396), (2072, 10076), (2464, 8473), (2519, 8288), (2849, 7328), (3206, 6512), (3256, 6412), (3664, 5698), (4144, 5038)]