20106849

素因数分解:

$3^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2341}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 30727040

約数和(自身を除く): 10620191

約数列:

[1, 3, 7, 21, 409, 1227, 2341, 2863, 7023, 8589, 16387, 49161, 957469, 2872407, 6702283, 20106849]

約数ペア:

[(1, 20106849), (3, 6702283), (7, 2872407), (21, 957469), (409, 49161), (1227, 16387), (2341, 8589), (2863, 7023)]