20784636

素因数分解:

$2^2\times 3^2\times {\mathrm{577351}}^1$

素因数の和:577361

約数の個数: 18

約数和(自身を含む): 52539032

約数和(自身を除く): 31754396

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577351, 1154702, 1732053, 2309404, 3464106, 5196159, 6928212, 10392318, 20784636]

約数ペア:

[(1, 20784636), (2, 10392318), (3, 6928212), (4, 5196159), (6, 3464106), (9, 2309404), (12, 1732053), (18, 1154702), (36, 577351)]