20161495552

素因数分解:

$2^9\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{17989}}^1$

素因数の和:18217

約数の個数: 80

約数和(自身を含む): 44169048000

約数和(自身を除く): 24007552448

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 128, 176, 199, 256, 352, 398, 512, 704, 796, 1408, 1592, 2189, 2816, 3184, 4378, 5632, 6368, 8756, 12736, 17512, 17989, 25472, 35024, 35978, 50944, 70048, 71956, 101888, 140096, 143912, 197879, 280192, 287824, 395758, 560384, 575648, 791516, 1120768, 1151296, 1583032, 2302592, 3166064, 3579811, 4605184, 6332128, 7159622, 9210368, 12664256, 14319244, 25328512, 28638488, 39377921, 50657024, 57276976, 78755842, 101314048, 114553952, 157511684, 229107904, 315023368, 458215808, 630046736, 916431616, 1260093472, 1832863232, 2520186944, 5040373888, 10080747776, 20161495552]

約数ペア:

[(1, 20161495552), (2, 10080747776), (4, 5040373888), (8, 2520186944), (11, 1832863232), (16, 1260093472), (22, 916431616), (32, 630046736), (44, 458215808), (64, 315023368), (88, 229107904), (128, 157511684), (176, 114553952), (199, 101314048), (256, 78755842), (352, 57276976), (398, 50657024), (512, 39377921), (704, 28638488), (796, 25328512), (1408, 14319244), (1592, 12664256), (2189, 9210368), (2816, 7159622), (3184, 6332128), (4378, 4605184), (5632, 3579811), (6368, 3166064), (8756, 2302592), (12736, 1583032), (17512, 1151296), (17989, 1120768), (25472, 791516), (35024, 575648), (35978, 560384), (50944, 395758), (70048, 287824), (71956, 280192), (101888, 197879), (140096, 143912)]