20530804978

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1\times {\mathrm{290533}}^1$

素因数の和:291021

約数の個数: 16

約数和(自身を含む): 31220783640

約数和(自身を除く): 10689978662

約数列:

[1, 2, 89, 178, 397, 794, 35333, 70666, 290533, 581066, 25857437, 51714874, 115341601, 230683202, 10265402489, 20530804978]

約数ペア:

[(1, 20530804978), (2, 10265402489), (89, 230683202), (178, 115341601), (397, 51714874), (794, 25857437), (35333, 581066), (70666, 290533)]