20080156

素因数分解:

$2^2\times {\mathrm{419}}^1\times {\mathrm{11981}}^1$

素因数の和:12404

約数の個数: 12

約数和(自身を含む): 35227080

約数和(自身を除く): 15146924

約数列:

[1, 2, 4, 419, 838, 1676, 11981, 23962, 47924, 5020039, 10040078, 20080156]

約数ペア:

[(1, 20080156), (2, 10040078), (4, 5020039), (419, 47924), (838, 23962), (1676, 11981)]