20257838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{2027}}^1$

素因数の和:2311

約数の個数: 16

約数和(自身を含む): 32123520

約数和(自身を除く): 11865682

約数列:

[1, 2, 19, 38, 263, 526, 2027, 4054, 4997, 9994, 38513, 77026, 533101, 1066202, 10128919, 20257838]

約数ペア:

[(1, 20257838), (2, 10128919), (19, 1066202), (38, 533101), (263, 77026), (526, 38513), (2027, 9994), (4054, 4997)]