20797848008

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{21067}}^1$

素因数の和:21175

約数の個数: 96

約数和(自身を含む): 48120997440

約数和(自身を除く): 27323149432

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 61, 68, 119, 122, 136, 238, 244, 289, 427, 476, 488, 578, 854, 952, 1037, 1156, 1708, 2023, 2074, 2312, 3416, 4046, 4148, 7259, 8092, 8296, 14518, 16184, 17629, 21067, 29036, 35258, 42134, 58072, 70516, 84268, 123403, 141032, 147469, 168536, 246806, 294938, 358139, 493612, 589876, 716278, 987224, 1179752, 1285087, 1432556, 2506973, 2570174, 2865112, 5013946, 5140348, 6088363, 8995609, 10027892, 10280696, 12176726, 17991218, 20055784, 21846479, 24353452, 35982436, 42618541, 43692958, 48706904, 71964872, 85237082, 87385916, 152925353, 170474164, 174771832, 305850706, 340948328, 371390143, 611701412, 742780286, 1223402824, 1485560572, 2599731001, 2971121144, 5199462002, 10398924004, 20797848008]

約数ペア:

[(1, 20797848008), (2, 10398924004), (4, 5199462002), (7, 2971121144), (8, 2599731001), (14, 1485560572), (17, 1223402824), (28, 742780286), (34, 611701412), (56, 371390143), (61, 340948328), (68, 305850706), (119, 174771832), (122, 170474164), (136, 152925353), (238, 87385916), (244, 85237082), (289, 71964872), (427, 48706904), (476, 43692958), (488, 42618541), (578, 35982436), (854, 24353452), (952, 21846479), (1037, 20055784), (1156, 17991218), (1708, 12176726), (2023, 10280696), (2074, 10027892), (2312, 8995609), (3416, 6088363), (4046, 5140348), (4148, 5013946), (7259, 2865112), (8092, 2570174), (8296, 2506973), (14518, 1432556), (16184, 1285087), (17629, 1179752), (21067, 987224), (29036, 716278), (35258, 589876), (42134, 493612), (58072, 358139), (70516, 294938), (84268, 246806), (123403, 168536), (141032, 147469)]