20914488

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2441}}^1$

素因数の和:2477

約数の個数: 96

約数和(自身を含む): 68571360

約数和(自身を除く): 47656872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2441, 2856, 4284, 4882, 7323, 8568, 9764, 14646, 17087, 19528, 21969, 29292, 34174, 41497, 43938, 51261, 58584, 68348, 82994, 87876, 102522, 124491, 136696, 153783, 165988, 175752, 205044, 248982, 290479, 307566, 331976, 373473, 410088, 497964, 580958, 615132, 746946, 871437, 995928, 1161916, 1230264, 1493892, 1742874, 2323832, 2614311, 2987784, 3485748, 5228622, 6971496, 10457244, 20914488]

約数ペア:

[(1, 20914488), (2, 10457244), (3, 6971496), (4, 5228622), (6, 3485748), (7, 2987784), (8, 2614311), (9, 2323832), (12, 1742874), (14, 1493892), (17, 1230264), (18, 1161916), (21, 995928), (24, 871437), (28, 746946), (34, 615132), (36, 580958), (42, 497964), (51, 410088), (56, 373473), (63, 331976), (68, 307566), (72, 290479), (84, 248982), (102, 205044), (119, 175752), (126, 165988), (136, 153783), (153, 136696), (168, 124491), (204, 102522), (238, 87876), (252, 82994), (306, 68348), (357, 58584), (408, 51261), (476, 43938), (504, 41497), (612, 34174), (714, 29292), (952, 21969), (1071, 19528), (1224, 17087), (1428, 14646), (2142, 9764), (2441, 8568), (2856, 7323), (4284, 4882)]