20728144

素因数分解:

$2^4\times {\mathrm{587}}^1\times {\mathrm{2207}}^1$

素因数の和:2802

約数の個数: 20

約数和(自身を含む): 40247424

約数和(自身を除く): 19519280

約数列:

[1, 2, 4, 8, 16, 587, 1174, 2207, 2348, 4414, 4696, 8828, 9392, 17656, 35312, 1295509, 2591018, 5182036, 10364072, 20728144]

約数ペア:

[(1, 20728144), (2, 10364072), (4, 5182036), (8, 2591018), (16, 1295509), (587, 35312), (1174, 17656), (2207, 9392), (2348, 8828), (4414, 4696)]