20499728

素因数分解:

$2^4\times {\mathrm{883}}^1\times {\mathrm{1451}}^1$

素因数の和:2342

約数の個数: 20

約数和(自身を含む): 39790608

約数和(自身を除く): 19290880

約数列:

[1, 2, 4, 8, 16, 883, 1451, 1766, 2902, 3532, 5804, 7064, 11608, 14128, 23216, 1281233, 2562466, 5124932, 10249864, 20499728]

約数ペア:

[(1, 20499728), (2, 10249864), (4, 5124932), (8, 2562466), (16, 1281233), (883, 23216), (1451, 14128), (1766, 11608), (2902, 7064), (3532, 5804)]