20762378

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 40027680

約数和(自身を除く): 19265302

約数列:

[1, 2, 7, 13, 14, 26, 43, 49, 86, 91, 98, 182, 301, 379, 559, 602, 637, 758, 1118, 1274, 2107, 2653, 3913, 4214, 4927, 5306, 7826, 9854, 16297, 18571, 27391, 32594, 34489, 37142, 54782, 68978, 114079, 211861, 228158, 241423, 423722, 482846, 798553, 1483027, 1597106, 2966054, 10381189, 20762378]

約数ペア:

[(1, 20762378), (2, 10381189), (7, 2966054), (13, 1597106), (14, 1483027), (26, 798553), (43, 482846), (49, 423722), (86, 241423), (91, 228158), (98, 211861), (182, 114079), (301, 68978), (379, 54782), (559, 37142), (602, 34489), (637, 32594), (758, 27391), (1118, 18571), (1274, 16297), (2107, 9854), (2653, 7826), (3913, 5306), (4214, 4927)]