20892412

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1\times {\mathrm{463}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 38001600

約数和(自身を除く): 17109188

約数列:

[1, 2, 4, 29, 58, 116, 389, 463, 778, 926, 1556, 1852, 11281, 13427, 22562, 26854, 45124, 53708, 180107, 360214, 720428, 5223103, 10446206, 20892412]

約数ペア:

[(1, 20892412), (2, 10446206), (4, 5223103), (29, 720428), (58, 360214), (116, 180107), (389, 53708), (463, 45124), (778, 26854), (926, 22562), (1556, 13427), (1852, 11281)]