20379742

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1979}}^1$

素因数の和:2271

約数の個数: 16

約数和(自身を含む): 32313600

約数和(自身を除く): 11933858

約数列:

[1, 2, 19, 38, 271, 542, 1979, 3958, 5149, 10298, 37601, 75202, 536309, 1072618, 10189871, 20379742]

約数ペア:

[(1, 20379742), (2, 10189871), (19, 1072618), (38, 536309), (271, 75202), (542, 37601), (1979, 10298), (3958, 5149)]