20209893

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{26627}}^1$

素因数の和:26664

約数の個数: 16

約数和(自身を含む): 30675456

約数和(自身を除く): 10465563

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 26627, 79881, 292897, 612421, 878691, 1837263, 6736631, 20209893]

約数ペア:

[(1, 20209893), (3, 6736631), (11, 1837263), (23, 878691), (33, 612421), (69, 292897), (253, 79881), (759, 26627)]