20654868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{132403}}^1$

素因数の和:132423

約数の個数: 24

約数和(自身を含む): 51902368

約数和(自身を除く): 31247500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 132403, 264806, 397209, 529612, 794418, 1588836, 1721239, 3442478, 5163717, 6884956, 10327434, 20654868]

約数ペア:

[(1, 20654868), (2, 10327434), (3, 6884956), (4, 5163717), (6, 3442478), (12, 1721239), (13, 1588836), (26, 794418), (39, 529612), (52, 397209), (78, 264806), (156, 132403)]