20903456

素因数分解:

$2^5\times 7^1\times {\mathrm{93319}}^1$

素因数の和:93336

約数の個数: 24

約数和(自身を含む): 47033280

約数和(自身を除く): 26129824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 93319, 186638, 373276, 653233, 746552, 1306466, 1493104, 2612932, 2986208, 5225864, 10451728, 20903456]

約数ペア:

[(1, 20903456), (2, 10451728), (4, 5225864), (7, 2986208), (8, 2612932), (14, 1493104), (16, 1306466), (28, 746552), (32, 653233), (56, 373276), (112, 186638), (224, 93319)]