20219691

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1619}}^1$

素因数の和:1826

約数の個数: 16

約数和(自身を含む): 28304640

約数和(自身を除く): 8084949

約数列:

[1, 3, 23, 69, 181, 543, 1619, 4163, 4857, 12489, 37237, 111711, 293039, 879117, 6739897, 20219691]

約数ペア:

[(1, 20219691), (3, 6739897), (23, 879117), (69, 293039), (181, 111711), (543, 37237), (1619, 12489), (4163, 4857)]