20195708

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20441}}^1$

素因数の和:20477

約数の個数: 24

約数和(自身を含む): 40066320

約数和(自身を除く): 19870612

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20441, 40882, 81764, 265733, 388379, 531466, 776758, 1062932, 1553516, 5048927, 10097854, 20195708]

約数ペア:

[(1, 20195708), (2, 10097854), (4, 5048927), (13, 1553516), (19, 1062932), (26, 776758), (38, 531466), (52, 388379), (76, 265733), (247, 81764), (494, 40882), (988, 20441)]