20161578549

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{7559647}}^1$

素因数の和:7559784

約数の個数: 16

約数和(自身を含む): 30964318208

約数和(自身を除く): 10802739659

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 7559647, 22678941, 52917529, 158752587, 960075169, 2880225507, 6720526183, 20161578549]

約数ペア:

[(1, 20161578549), (3, 6720526183), (7, 2880225507), (21, 960075169), (127, 158752587), (381, 52917529), (889, 22678941), (2667, 7559647)]