20161544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193861}}^1$

素因数の和:193880

約数の個数: 16

約数和(自身を含む): 40711020

約数和(自身を除く): 20549476

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193861, 387722, 775444, 1550888, 2520193, 5040386, 10080772, 20161544]

約数ペア:

[(1, 20161544), (2, 10080772), (4, 5040386), (8, 2520193), (13, 1550888), (26, 775444), (52, 387722), (104, 193861)]