20705488

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6569}}^1$

素因数の和:6774

約数の個数: 20

約数和(自身を含む): 40326660

約数和(自身を除く): 19621172

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6569, 13138, 26276, 52552, 105104, 1294093, 2588186, 5176372, 10352744, 20705488]

約数ペア:

[(1, 20705488), (2, 10352744), (4, 5176372), (8, 2588186), (16, 1294093), (197, 105104), (394, 52552), (788, 26276), (1576, 13138), (3152, 6569)]