20192238140

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3928451}}^1$

素因数の和:3928717

約数の個数: 24

約数和(自身を含む): 42568705872

約数和(自身を除く): 22376467732

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 3928451, 7856902, 15713804, 19642255, 39284510, 78569020, 1009611907, 2019223814, 4038447628, 5048059535, 10096119070, 20192238140]

約数ペア:

[(1, 20192238140), (2, 10096119070), (4, 5048059535), (5, 4038447628), (10, 2019223814), (20, 1009611907), (257, 78569020), (514, 39284510), (1028, 19642255), (1285, 15713804), (2570, 7856902), (5140, 3928451)]