20080321919

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{2311537}}^1$

素因数の和:2311634

約数の個数: 16

約数和(自身を含む): 24631748928

約数和(自身を除く): 4551427009

約数列:

[1, 7, 17, 73, 119, 511, 1241, 8687, 2311537, 16180759, 39296129, 168742201, 275072903, 1181195407, 2868617417, 20080321919]

約数ペア:

[(1, 20080321919), (7, 2868617417), (17, 1181195407), (73, 275072903), (119, 168742201), (511, 39296129), (1241, 16180759), (8687, 2311537)]