20160745

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9907}}^1$

素因数の和:9960

約数の個数: 16

約数和(自身を含む): 27108288

約数和(自身を除く): 6947543

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 9907, 49535, 108977, 366559, 544885, 1832795, 4032149, 20160745]

約数ペア:

[(1, 20160745), (5, 4032149), (11, 1832795), (37, 544885), (55, 366559), (185, 108977), (407, 49535), (2035, 9907)]