20530468

素因数分解:

$2^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4051}}^1$

素因数の和:4243

約数の個数: 24

約数和(自身を含む): 41297984

約数和(自身を除く): 20767516

約数列:

[1, 2, 4, 7, 14, 28, 181, 362, 724, 1267, 2534, 4051, 5068, 8102, 16204, 28357, 56714, 113428, 733231, 1466462, 2932924, 5132617, 10265234, 20530468]

約数ペア:

[(1, 20530468), (2, 10265234), (4, 5132617), (7, 2932924), (14, 1466462), (28, 733231), (181, 113428), (362, 56714), (724, 28357), (1267, 16204), (2534, 8102), (4051, 5068)]