20863911

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{2027}}^1$

素因数の和:2150

約数の個数: 16

約数和(自身を含む): 28813824

約数和(自身を除く): 7949913

約数列:

[1, 3, 47, 73, 141, 219, 2027, 3431, 6081, 10293, 95269, 147971, 285807, 443913, 6954637, 20863911]

約数ペア:

[(1, 20863911), (3, 6954637), (47, 443913), (73, 285807), (141, 147971), (219, 95269), (2027, 10293), (3431, 6081)]