20086725904

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{257311}}^1$

素因数の和:257384

約数の個数: 80

約数和(自身を含む): 48242912256

約数和(自身を除く): 28156186352

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 41, 56, 68, 82, 112, 119, 136, 164, 238, 272, 287, 328, 476, 574, 656, 697, 952, 1148, 1394, 1904, 2296, 2788, 4592, 4879, 5576, 9758, 11152, 19516, 39032, 78064, 257311, 514622, 1029244, 1801177, 2058488, 3602354, 4116976, 4374287, 7204708, 8748574, 10549751, 14409416, 17497148, 21099502, 28818832, 30620009, 34994296, 42199004, 61240018, 69988592, 73848257, 84398008, 122480036, 147696514, 168796016, 179345767, 244960072, 295393028, 358691534, 489920144, 590786056, 717383068, 1181572112, 1255420369, 1434766136, 2510840738, 2869532272, 5021681476, 10043362952, 20086725904]

約数ペア:

[(1, 20086725904), (2, 10043362952), (4, 5021681476), (7, 2869532272), (8, 2510840738), (14, 1434766136), (16, 1255420369), (17, 1181572112), (28, 717383068), (34, 590786056), (41, 489920144), (56, 358691534), (68, 295393028), (82, 244960072), (112, 179345767), (119, 168796016), (136, 147696514), (164, 122480036), (238, 84398008), (272, 73848257), (287, 69988592), (328, 61240018), (476, 42199004), (574, 34994296), (656, 30620009), (697, 28818832), (952, 21099502), (1148, 17497148), (1394, 14409416), (1904, 10549751), (2296, 8748574), (2788, 7204708), (4592, 4374287), (4879, 4116976), (5576, 3602354), (9758, 2058488), (11152, 1801177), (19516, 1029244), (39032, 514622), (78064, 257311)]