20786108

素因数分解:

$2^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1223}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 41674752

約数和(自身を除く): 20888644

約数列:

[1, 2, 4, 7, 14, 28, 607, 1214, 1223, 2428, 2446, 4249, 4892, 8498, 8561, 16996, 17122, 34244, 742361, 1484722, 2969444, 5196527, 10393054, 20786108]

約数ペア:

[(1, 20786108), (2, 10393054), (4, 5196527), (7, 2969444), (14, 1484722), (28, 742361), (607, 34244), (1214, 17122), (1223, 16996), (2428, 8561), (2446, 8498), (4249, 4892)]