20975288

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{39133}}^1$

素因数の和:39206

約数の個数: 16

約数和(自身を含む): 39916680

約数和(自身を除く): 18941392

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 39133, 78266, 156532, 313064, 2621911, 5243822, 10487644, 20975288]

約数ペア:

[(1, 20975288), (2, 10487644), (4, 5243822), (8, 2621911), (67, 313064), (134, 156532), (268, 78266), (536, 39133)]