20145707816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193708729}}^1$

素因数の和:193708748

約数の個数: 16

約数和(自身を含む): 40678833300

約数和(自身を除く): 20533125484

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193708729, 387417458, 774834916, 1549669832, 2518213477, 5036426954, 10072853908, 20145707816]

約数ペア:

[(1, 20145707816), (2, 10072853908), (4, 5036426954), (8, 2518213477), (13, 1549669832), (26, 774834916), (52, 387417458), (104, 193708729)]