20948845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6661}}^1$

素因数の和:6720

約数の個数: 16

約数和(自身を含む): 27340848

約数和(自身を除く): 6392003

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6661, 33305, 113237, 246457, 566185, 1232285, 4189769, 20948845]

約数ペア:

[(1, 20948845), (5, 4189769), (17, 1232285), (37, 566185), (85, 246457), (185, 113237), (629, 33305), (3145, 6661)]