20288395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6451}}^1$

素因数の和:6510

約数の個数: 16

約数和(自身を含む): 26479008

約数和(自身を除く): 6190613

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6451, 32255, 109667, 238687, 548335, 1193435, 4057679, 20288395]

約数ペア:

[(1, 20288395), (5, 4057679), (17, 1193435), (37, 548335), (85, 238687), (185, 109667), (629, 32255), (3145, 6451)]