20108868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128903}}^1$

素因数の和:128923

約数の個数: 24

約数和(自身を含む): 50530368

約数和(自身を除く): 30421500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128903, 257806, 386709, 515612, 773418, 1546836, 1675739, 3351478, 5027217, 6702956, 10054434, 20108868]

約数ペア:

[(1, 20108868), (2, 10054434), (3, 6702956), (4, 5027217), (6, 3351478), (12, 1675739), (13, 1546836), (26, 773418), (39, 515612), (52, 386709), (78, 257806), (156, 128903)]