20516336

素因数分解:

$2^4\times {\mathrm{487}}^1\times {\mathrm{2633}}^1$

素因数の和:3128

約数の個数: 20

約数和(自身を含む): 39847152

約数和(自身を除く): 19330816

約数列:

[1, 2, 4, 8, 16, 487, 974, 1948, 2633, 3896, 5266, 7792, 10532, 21064, 42128, 1282271, 2564542, 5129084, 10258168, 20516336]

約数ペア:

[(1, 20516336), (2, 10258168), (4, 5129084), (8, 2564542), (16, 1282271), (487, 42128), (974, 21064), (1948, 10532), (2633, 7792), (3896, 5266)]