20266029

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{7481}}^1$

素因数の和:7537

約数の個数: 24

約数和(自身を含む): 34237632

約数和(自身を除く): 13971603

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 7481, 22443, 52367, 67329, 157101, 321683, 471303, 965049, 2251781, 2895147, 6755343, 20266029]

約数ペア:

[(1, 20266029), (3, 6755343), (7, 2895147), (9, 2251781), (21, 965049), (43, 471303), (63, 321683), (129, 157101), (301, 67329), (387, 52367), (903, 22443), (2709, 7481)]