20163979458

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{4639}}^1\times {\mathrm{3833}}^1$

素因数の和:8493

約数の個数: 80

約数和(自身を含む): 51661463040

約数和(自身を除く): 31497483582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 3833, 4639, 7666, 9278, 11499, 13917, 22998, 26831, 27834, 32473, 34497, 41751, 53662, 64946, 68994, 80493, 83502, 97419, 103491, 125253, 160986, 194838, 206982, 241479, 250506, 292257, 310473, 375759, 482958, 584514, 620946, 724437, 751518, 876771, 1448874, 1753542, 2173311, 2630313, 4346622, 5260626, 17781287, 35562574, 53343861, 106687722, 124469009, 160031583, 248938018, 320063166, 373407027, 480094749, 746814054, 960189498, 1120221081, 1440284247, 2240442162, 2880568494, 3360663243, 6721326486, 10081989729, 20163979458]

約数ペア:

[(1, 20163979458), (2, 10081989729), (3, 6721326486), (6, 3360663243), (7, 2880568494), (9, 2240442162), (14, 1440284247), (18, 1120221081), (21, 960189498), (27, 746814054), (42, 480094749), (54, 373407027), (63, 320063166), (81, 248938018), (126, 160031583), (162, 124469009), (189, 106687722), (378, 53343861), (567, 35562574), (1134, 17781287), (3833, 5260626), (4639, 4346622), (7666, 2630313), (9278, 2173311), (11499, 1753542), (13917, 1448874), (22998, 876771), (26831, 751518), (27834, 724437), (32473, 620946), (34497, 584514), (41751, 482958), (53662, 375759), (64946, 310473), (68994, 292257), (80493, 250506), (83502, 241479), (97419, 206982), (103491, 194838), (125253, 160986)]