20153257985

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3864479}}^1$

素因数の和:3864640

約数の個数: 16

約数和(自身を含む): 27824256000

約数和(自身を除く): 7670998015

約数列:

[1, 5, 7, 35, 149, 745, 1043, 5215, 3864479, 19322395, 27051353, 135256765, 575807371, 2879036855, 4030651597, 20153257985]

約数ペア:

[(1, 20153257985), (5, 4030651597), (7, 2879036855), (35, 575807371), (149, 135256765), (745, 27051353), (1043, 19322395), (5215, 3864479)]