20481692

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66499}}^1$

素因数の和:66521

約数の個数: 24

約数和(自身を含む): 44688000

約数和(自身を除く): 24206308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 66499, 132998, 265996, 465493, 731489, 930986, 1462978, 1861972, 2925956, 5120423, 10240846, 20481692]

約数ペア:

[(1, 20481692), (2, 10240846), (4, 5120423), (7, 2925956), (11, 1861972), (14, 1462978), (22, 930986), (28, 731489), (44, 465493), (77, 265996), (154, 132998), (308, 66499)]