20325965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{21739}}^1$

素因数の和:21772

約数の個数: 16

約数和(自身を含む): 28175040

約数和(自身を除く): 7849075

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 21739, 108695, 239129, 369563, 1195645, 1847815, 4065193, 20325965]

約数ペア:

[(1, 20325965), (5, 4065193), (11, 1847815), (17, 1195645), (55, 369563), (85, 239129), (187, 108695), (935, 21739)]