20881569268

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{8329}}^1$

素因数の和:8609

約数の個数: 96

約数和(自身を含む): 46349452800

約数和(自身を除く): 25467883532

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 229, 238, 322, 391, 458, 476, 644, 782, 916, 1564, 1603, 2737, 3206, 3893, 5267, 5474, 6412, 7786, 8329, 10534, 10948, 15572, 16658, 21068, 27251, 33316, 36869, 54502, 58303, 73738, 89539, 109004, 116606, 141593, 147476, 179078, 191567, 233212, 283186, 358156, 383134, 566372, 626773, 766268, 991151, 1253546, 1340969, 1907341, 1982302, 2507092, 2681938, 3256639, 3814682, 3964604, 5363876, 6513278, 7629364, 13026556, 13351387, 22796473, 26702774, 32424797, 43868843, 45592946, 53405548, 64849594, 87737686, 91185892, 129699188, 175475372, 226973579, 307081901, 453947158, 614163802, 745770331, 907894316, 1228327604, 1491540662, 2983081324, 5220392317, 10440784634, 20881569268]

約数ペア:

[(1, 20881569268), (2, 10440784634), (4, 5220392317), (7, 2983081324), (14, 1491540662), (17, 1228327604), (23, 907894316), (28, 745770331), (34, 614163802), (46, 453947158), (68, 307081901), (92, 226973579), (119, 175475372), (161, 129699188), (229, 91185892), (238, 87737686), (322, 64849594), (391, 53405548), (458, 45592946), (476, 43868843), (644, 32424797), (782, 26702774), (916, 22796473), (1564, 13351387), (1603, 13026556), (2737, 7629364), (3206, 6513278), (3893, 5363876), (5267, 3964604), (5474, 3814682), (6412, 3256639), (7786, 2681938), (8329, 2507092), (10534, 1982302), (10948, 1907341), (15572, 1340969), (16658, 1253546), (21068, 991151), (27251, 766268), (33316, 626773), (36869, 566372), (54502, 383134), (58303, 358156), (73738, 283186), (89539, 233212), (109004, 191567), (116606, 179078), (141593, 147476)]