20510646

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262957}}^1$

素因数の和:262975

約数の個数: 16

約数和(自身を含む): 44176944

約数和(自身を除く): 23666298

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 262957, 525914, 788871, 1577742, 3418441, 6836882, 10255323, 20510646]

約数ペア:

[(1, 20510646), (2, 10255323), (3, 6836882), (6, 3418441), (13, 1577742), (26, 788871), (39, 525914), (78, 262957)]