20131718672

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{769}}^1\times {\mathrm{2927}}^1$

素因数の和:3760

約数の個数: 80

約数和(自身を含む): 43053077760

約数和(自身を除く): 22921359088

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 769, 1118, 1538, 2236, 2927, 3076, 4472, 5854, 6152, 8944, 9997, 11708, 12304, 19994, 23416, 33067, 38051, 39988, 46832, 66134, 76102, 79976, 125861, 132268, 152204, 159952, 251722, 264536, 304408, 429871, 503444, 529072, 608816, 859742, 1006888, 1636193, 1719484, 2013776, 2250863, 3272386, 3438968, 4501726, 6544772, 6877936, 9003452, 13089544, 18006904, 26179088, 29261219, 36013808, 58522438, 96787109, 117044876, 193574218, 234089752, 387148436, 468179504, 774296872, 1258232417, 1548593744, 2516464834, 5032929668, 10065859336, 20131718672]

約数ペア:

[(1, 20131718672), (2, 10065859336), (4, 5032929668), (8, 2516464834), (13, 1548593744), (16, 1258232417), (26, 774296872), (43, 468179504), (52, 387148436), (86, 234089752), (104, 193574218), (172, 117044876), (208, 96787109), (344, 58522438), (559, 36013808), (688, 29261219), (769, 26179088), (1118, 18006904), (1538, 13089544), (2236, 9003452), (2927, 6877936), (3076, 6544772), (4472, 4501726), (5854, 3438968), (6152, 3272386), (8944, 2250863), (9997, 2013776), (11708, 1719484), (12304, 1636193), (19994, 1006888), (23416, 859742), (33067, 608816), (38051, 529072), (39988, 503444), (46832, 429871), (66134, 304408), (76102, 264536), (79976, 251722), (125861, 159952), (132268, 152204)]