20934888

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3947}}^1$

素因数の和:3986

約数の個数: 64

約数和(自身を含む): 59693760

約数和(自身を除く): 38758872

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 24, 26, 34, 39, 51, 52, 68, 78, 102, 104, 136, 156, 204, 221, 312, 408, 442, 663, 884, 1326, 1768, 2652, 3947, 5304, 7894, 11841, 15788, 23682, 31576, 47364, 51311, 67099, 94728, 102622, 134198, 153933, 201297, 205244, 268396, 307866, 402594, 410488, 536792, 615732, 805188, 872287, 1231464, 1610376, 1744574, 2616861, 3489148, 5233722, 6978296, 10467444, 20934888]

約数ペア:

[(1, 20934888), (2, 10467444), (3, 6978296), (4, 5233722), (6, 3489148), (8, 2616861), (12, 1744574), (13, 1610376), (17, 1231464), (24, 872287), (26, 805188), (34, 615732), (39, 536792), (51, 410488), (52, 402594), (68, 307866), (78, 268396), (102, 205244), (104, 201297), (136, 153933), (156, 134198), (204, 102622), (221, 94728), (312, 67099), (408, 51311), (442, 47364), (663, 31576), (884, 23682), (1326, 15788), (1768, 11841), (2652, 7894), (3947, 5304)]