20192739

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2351}}^1$

素因数の和:2770

約数の個数: 16

約数和(自身を含む): 30858240

約数和(自身を除く): 10665501

約数列:

[1, 3, 7, 21, 409, 1227, 2351, 2863, 7053, 8589, 16457, 49371, 961559, 2884677, 6730913, 20192739]

約数ペア:

[(1, 20192739), (3, 6730913), (7, 2884677), (21, 961559), (409, 49371), (1227, 16457), (2351, 8589), (2863, 7053)]