20834888

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63521}}^1$

素因数の和:63568

約数の個数: 16

約数和(自身を含む): 40018860

約数和(自身を除く): 19183972

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63521, 127042, 254084, 508168, 2604361, 5208722, 10417444, 20834888]

約数ペア:

[(1, 20834888), (2, 10417444), (4, 5208722), (8, 2604361), (41, 508168), (82, 254084), (164, 127042), (328, 63521)]