20255732

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 42964992

約数和(自身を除く): 22709260

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 71, 92, 142, 161, 284, 322, 443, 497, 644, 886, 994, 1633, 1772, 1988, 3101, 3266, 6202, 6532, 10189, 11431, 12404, 20378, 22862, 31453, 40756, 45724, 62906, 71323, 125812, 142646, 220171, 285292, 440342, 723419, 880684, 1446838, 2893676, 5063933, 10127866, 20255732]

約数ペア:

[(1, 20255732), (2, 10127866), (4, 5063933), (7, 2893676), (14, 1446838), (23, 880684), (28, 723419), (46, 440342), (71, 285292), (92, 220171), (142, 142646), (161, 125812), (284, 71323), (322, 62906), (443, 45724), (497, 40756), (644, 31453), (886, 22862), (994, 20378), (1633, 12404), (1772, 11431), (1988, 10189), (3101, 6532), (3266, 6202)]