20782356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247409}}^1$

素因数の和:247423

約数の個数: 24

約数和(自身を含む): 55419840

約数和(自身を除く): 34637484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247409, 494818, 742227, 989636, 1484454, 1731863, 2968908, 3463726, 5195589, 6927452, 10391178, 20782356]

約数ペア:

[(1, 20782356), (2, 10391178), (3, 6927452), (4, 5195589), (6, 3463726), (7, 2968908), (12, 1731863), (14, 1484454), (21, 989636), (28, 742227), (42, 494818), (84, 247409)]