20257676

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{297907}}^1$

素因数の和:297928

約数の個数: 12

約数和(自身を含む): 37536408

約数和(自身を除く): 17278732

約数列:

[1, 2, 4, 17, 34, 68, 297907, 595814, 1191628, 5064419, 10128838, 20257676]

約数ペア:

[(1, 20257676), (2, 10128838), (4, 5064419), (17, 1191628), (34, 595814), (68, 297907)]