20815524

素因数分解:

$2^2\times 3^2\times {\mathrm{578209}}^1$

素因数の和:578219

約数の個数: 18

約数和(自身を含む): 52617110

約数和(自身を除く): 31801586

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 578209, 1156418, 1734627, 2312836, 3469254, 5203881, 6938508, 10407762, 20815524]

約数ペア:

[(1, 20815524), (2, 10407762), (3, 6938508), (4, 5203881), (6, 3469254), (9, 2312836), (12, 1734627), (18, 1156418), (36, 578209)]