20328776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{195469}}^1$

素因数の和:195488

約数の個数: 16

約数和(自身を含む): 41048700

約数和(自身を除く): 20719924

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 195469, 390938, 781876, 1563752, 2541097, 5082194, 10164388, 20328776]

約数ペア:

[(1, 20328776), (2, 10164388), (4, 5082194), (8, 2541097), (13, 1563752), (26, 781876), (52, 390938), (104, 195469)]