20765721

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{9931}}^1$

素因数の和:9992

約数の個数: 16

約数和(自身を含む): 30034368

約数和(自身を除く): 9268647

約数列:

[1, 3, 17, 41, 51, 123, 697, 2091, 9931, 29793, 168827, 407171, 506481, 1221513, 6921907, 20765721]

約数ペア:

[(1, 20765721), (3, 6921907), (17, 1221513), (41, 506481), (51, 407171), (123, 168827), (697, 29793), (2091, 9931)]