20453095

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{13681}}^1$

素因数の和:13722

約数の個数: 16

約数和(自身を含む): 27582912

約数和(自身を除く): 7129817

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 13681, 68405, 177853, 314663, 889265, 1573315, 4090619, 20453095]

約数ペア:

[(1, 20453095), (5, 4090619), (13, 1573315), (23, 889265), (65, 314663), (115, 177853), (299, 68405), (1495, 13681)]