20483905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2087}}^1$

素因数の和:2256

約数の個数: 16

約数和(自身を含む): 26659584

約数和(自身を除く): 6175679

約数列:

[1, 5, 13, 65, 151, 755, 1963, 2087, 9815, 10435, 27131, 135655, 315137, 1575685, 4096781, 20483905]

約数ペア:

[(1, 20483905), (5, 4096781), (13, 1575685), (65, 315137), (151, 135655), (755, 27131), (1963, 10435), (2087, 9815)]