20092912

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 80

約数和(自身を含む): 48157632

約数和(自身を除く): 28064720

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 61, 68, 112, 119, 122, 136, 173, 238, 244, 272, 346, 427, 476, 488, 692, 854, 952, 976, 1037, 1211, 1384, 1708, 1904, 2074, 2422, 2768, 2941, 3416, 4148, 4844, 5882, 6832, 7259, 8296, 9688, 10553, 11764, 14518, 16592, 19376, 20587, 21106, 23528, 29036, 41174, 42212, 47056, 58072, 73871, 82348, 84424, 116144, 147742, 164696, 168848, 179401, 295484, 329392, 358802, 590968, 717604, 1181936, 1255807, 1435208, 2511614, 2870416, 5023228, 10046456, 20092912]

約数ペア:

[(1, 20092912), (2, 10046456), (4, 5023228), (7, 2870416), (8, 2511614), (14, 1435208), (16, 1255807), (17, 1181936), (28, 717604), (34, 590968), (56, 358802), (61, 329392), (68, 295484), (112, 179401), (119, 168848), (122, 164696), (136, 147742), (173, 116144), (238, 84424), (244, 82348), (272, 73871), (346, 58072), (427, 47056), (476, 42212), (488, 41174), (692, 29036), (854, 23528), (952, 21106), (976, 20587), (1037, 19376), (1211, 16592), (1384, 14518), (1708, 11764), (1904, 10553), (2074, 9688), (2422, 8296), (2768, 7259), (2941, 6832), (3416, 5882), (4148, 4844)]