20049988

素因数分解:

$2^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1709}}^1$

素因数の和:2139

約数の個数: 24

約数和(自身を含む): 40219200

約数和(自身を除く): 20169212

約数列:

[1, 2, 4, 7, 14, 28, 419, 838, 1676, 1709, 2933, 3418, 5866, 6836, 11732, 11963, 23926, 47852, 716071, 1432142, 2864284, 5012497, 10024994, 20049988]

約数ペア:

[(1, 20049988), (2, 10024994), (4, 5012497), (7, 2864284), (14, 1432142), (28, 716071), (419, 47852), (838, 23926), (1676, 11963), (1709, 11732), (2933, 6836), (3418, 5866)]