20807524

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1949}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 38820600

約数和(自身を除く): 18013076

約数列:

[1, 2, 4, 17, 34, 68, 157, 314, 628, 1949, 2669, 3898, 5338, 7796, 10676, 33133, 66266, 132532, 305993, 611986, 1223972, 5201881, 10403762, 20807524]

約数ペア:

[(1, 20807524), (2, 10403762), (4, 5201881), (17, 1223972), (34, 611986), (68, 305993), (157, 132532), (314, 66266), (628, 33133), (1949, 10676), (2669, 7796), (3898, 5338)]