16626980

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9341}}^1$

素因数の和:9439

約数の個数: 24

約数和(自身を含む): 35312760

約数和(自身を除く): 18685780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 9341, 18682, 37364, 46705, 93410, 186820, 831349, 1662698, 3325396, 4156745, 8313490, 16626980]

約数ペア:

[(1, 16626980), (2, 8313490), (4, 4156745), (5, 3325396), (10, 1662698), (20, 831349), (89, 186820), (178, 93410), (356, 46705), (445, 37364), (890, 18682), (1780, 9341)]