20894486

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{739}}^1$

素因数の和:1019

約数の個数: 16

約数和(自身を含む): 32003520

約数和(自身を除く): 11109034

約数列:

[1, 2, 67, 134, 211, 422, 739, 1478, 14137, 28274, 49513, 99026, 155929, 311858, 10447243, 20894486]

約数ペア:

[(1, 20894486), (2, 10447243), (67, 311858), (134, 155929), (211, 99026), (422, 49513), (739, 28274), (1478, 14137)]