20827834

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8543}}^1$

素因数の和:8621

約数の個数: 16

約数和(自身を含む): 33219072

約数和(自身を除く): 12391238

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8543, 17086, 196489, 392978, 452779, 905558, 10413917, 20827834]

約数ペア:

[(1, 20827834), (2, 10413917), (23, 905558), (46, 452779), (53, 392978), (106, 196489), (1219, 17086), (2438, 8543)]