20364320

素因数分解:

$2^5\times 5^1\times {\mathrm{127277}}^1$

素因数の和:127292

約数の個数: 24

約数和(自身を含む): 48111084

約数和(自身を除く): 27746764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127277, 254554, 509108, 636385, 1018216, 1272770, 2036432, 2545540, 4072864, 5091080, 10182160, 20364320]

約数ペア:

[(1, 20364320), (2, 10182160), (4, 5091080), (5, 4072864), (8, 2545540), (10, 2036432), (16, 1272770), (20, 1018216), (32, 636385), (40, 509108), (80, 254554), (160, 127277)]