20816432833

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{821}}^1\times {\mathrm{213067}}^1$

素因数の和:213912

約数の個数: 16

約数和(自身を含む): 25220433024

約数和(自身を除く): 4404000191

約数列:

[1, 7, 17, 119, 821, 5747, 13957, 97699, 213067, 1491469, 3622139, 25354973, 174928007, 1224496049, 2973776119, 20816432833]

約数ペア:

[(1, 20816432833), (7, 2973776119), (17, 1224496049), (119, 174928007), (821, 25354973), (5747, 3622139), (13957, 1491469), (97699, 213067)]