20881072

素因数分解:

$2^4\times {\mathrm{347}}^1\times {\mathrm{3761}}^1$

素因数の和:4116

約数の個数: 20

約数和(自身を含む): 40584456

約数和(自身を除く): 19703384

約数列:

[1, 2, 4, 8, 16, 347, 694, 1388, 2776, 3761, 5552, 7522, 15044, 30088, 60176, 1305067, 2610134, 5220268, 10440536, 20881072]

約数ペア:

[(1, 20881072), (2, 10440536), (4, 5220268), (8, 2610134), (16, 1305067), (347, 60176), (694, 30088), (1388, 15044), (2776, 7522), (3761, 5552)]