20246919

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{87649}}^1$

素因数の和:87670

約数の個数: 16

約数和(自身を含む): 33657600

約数和(自身を除く): 13410681

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 87649, 262947, 613543, 964139, 1840629, 2892417, 6748973, 20246919]

約数ペア:

[(1, 20246919), (3, 6748973), (7, 2892417), (11, 1840629), (21, 964139), (33, 613543), (77, 262947), (231, 87649)]