20210268

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{129553}}^1$

素因数の和:129573

約数の個数: 24

約数和(自身を含む): 50785168

約数和(自身を除く): 30574900

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 129553, 259106, 388659, 518212, 777318, 1554636, 1684189, 3368378, 5052567, 6736756, 10105134, 20210268]

約数ペア:

[(1, 20210268), (2, 10105134), (3, 6736756), (4, 5052567), (6, 3368378), (12, 1684189), (13, 1554636), (26, 777318), (39, 518212), (52, 388659), (78, 259106), (156, 129553)]