20528809

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{1033}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 25014528

約数和(自身を除く): 4485719

約数列:

[1, 7, 17, 119, 167, 1033, 1169, 2839, 7231, 17561, 19873, 122927, 172511, 1207577, 2932687, 20528809]

約数ペア:

[(1, 20528809), (7, 2932687), (17, 1207577), (119, 172511), (167, 122927), (1033, 19873), (1169, 17561), (2839, 7231)]