20377504

素因数分解:

$2^5\times 7^1\times {\mathrm{90971}}^1$

素因数の和:90988

約数の個数: 24

約数和(自身を含む): 45849888

約数和(自身を除く): 25472384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 90971, 181942, 363884, 636797, 727768, 1273594, 1455536, 2547188, 2911072, 5094376, 10188752, 20377504]

約数ペア:

[(1, 20377504), (2, 10188752), (4, 5094376), (7, 2911072), (8, 2547188), (14, 1455536), (16, 1273594), (28, 727768), (32, 636797), (56, 363884), (112, 181942), (224, 90971)]