20626894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{2003}}^1$

素因数の和:2295

約数の個数: 16

約数和(自身を含む): 32705280

約数和(自身を除く): 12078386

約数列:

[1, 2, 19, 38, 271, 542, 2003, 4006, 5149, 10298, 38057, 76114, 542813, 1085626, 10313447, 20626894]

約数ペア:

[(1, 20626894), (2, 10313447), (19, 1085626), (38, 542813), (271, 76114), (542, 38057), (2003, 10298), (4006, 5149)]