20342259

素因数分解:

$3^5\times 7^1\times {\mathrm{11959}}^1$

素因数の和:11981

約数の個数: 24

約数和(自身を含む): 34827520

約数和(自身を除く): 14485261

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 11959, 35877, 83713, 107631, 251139, 322893, 753417, 968679, 2260251, 2906037, 6780753, 20342259]

約数ペア:

[(1, 20342259), (3, 6780753), (7, 2906037), (9, 2260251), (21, 968679), (27, 753417), (63, 322893), (81, 251139), (189, 107631), (243, 83713), (567, 35877), (1701, 11959)]