20814747

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15877}}^1$

素因数の和:15922

約数の個数: 16

約数和(自身を含む): 30485760

約数和(自身を除く): 9671013

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 15877, 47631, 301663, 365171, 904989, 1095513, 6938249, 20814747]

約数ペア:

[(1, 20814747), (3, 6938249), (19, 1095513), (23, 904989), (57, 365171), (69, 301663), (437, 47631), (1311, 15877)]