20199266991

素因数分解:

$3^2\times {\mathrm{3517}}^1\times {\mathrm{638147}}^1$

素因数の和:641670

約数の個数: 12

約数和(自身を含む): 29185060632

約数和(自身を除く): 8985793641

約数列:

[1, 3, 9, 3517, 10551, 31653, 638147, 1914441, 5743323, 2244362999, 6733088997, 20199266991]

約数ペア:

[(1, 20199266991), (3, 6733088997), (9, 2244362999), (3517, 5743323), (10551, 1914441), (31653, 638147)]