20163854249

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 26227998720

約数和(自身を除く): 6064144471

約数列:

[1, 7, 11, 43, 77, 83, 239, 301, 307, 473, 581, 913, 1673, 2149, 2629, 3311, 3377, 3569, 6391, 10277, 13201, 18403, 19837, 23639, 24983, 25481, 39259, 71939, 73373, 92407, 113047, 138859, 145211, 178367, 218207, 274813, 280291, 513611, 791329, 807103, 852991, 1016477, 1095683, 1527449, 1962037, 3155039, 5649721, 5970937, 6089959, 7669781, 9382901, 12052513, 22085273, 34705429, 42629713, 65680307, 66989549, 84367591, 242938003, 261868237, 468926843, 1833077659, 2880550607, 20163854249]

約数ペア:

[(1, 20163854249), (7, 2880550607), (11, 1833077659), (43, 468926843), (77, 261868237), (83, 242938003), (239, 84367591), (301, 66989549), (307, 65680307), (473, 42629713), (581, 34705429), (913, 22085273), (1673, 12052513), (2149, 9382901), (2629, 7669781), (3311, 6089959), (3377, 5970937), (3569, 5649721), (6391, 3155039), (10277, 1962037), (13201, 1527449), (18403, 1095683), (19837, 1016477), (23639, 852991), (24983, 807103), (25481, 791329), (39259, 513611), (71939, 280291), (73373, 274813), (92407, 218207), (113047, 178367), (138859, 145211)]