20266497

素因数分解:

$3^3\times {\mathrm{641}}^1\times {\mathrm{1171}}^1$

素因数の和:1821

約数の個数: 16

約数和(自身を含む): 30096960

約数和(自身を除く): 9830463

約数列:

[1, 3, 9, 27, 641, 1171, 1923, 3513, 5769, 10539, 17307, 31617, 750611, 2251833, 6755499, 20266497]

約数ペア:

[(1, 20266497), (3, 6755499), (9, 2251833), (27, 750611), (641, 31617), (1171, 17307), (1923, 10539), (3513, 5769)]