20751467204

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{399066677}}^1$

素因数の和:399066694

約数の個数: 12

約数和(自身を含む): 39108534444

約数和(自身を除く): 18357067240

約数列:

[1, 2, 4, 13, 26, 52, 399066677, 798133354, 1596266708, 5187866801, 10375733602, 20751467204]

約数ペア:

[(1, 20751467204), (2, 10375733602), (4, 5187866801), (13, 1596266708), (26, 798133354), (52, 399066677)]