20080263

素因数分解:

$3^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1901}}^1$

素因数の和:2414

約数の個数: 16

約数和(自身を含む): 30675456

約数和(自身を除く): 10595193

約数列:

[1, 3, 7, 21, 503, 1509, 1901, 3521, 5703, 10563, 13307, 39921, 956203, 2868609, 6693421, 20080263]

約数ペア:

[(1, 20080263), (3, 6693421), (7, 2868609), (21, 956203), (503, 39921), (1509, 13307), (1901, 10563), (3521, 5703)]