20448584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{557}}^1$

素因数の和:929

約数の個数: 32

約数和(自身を含む): 41481720

約数和(自身を除く): 21033136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 353, 557, 706, 1114, 1412, 2228, 2824, 4456, 4589, 7241, 9178, 14482, 18356, 28964, 36712, 57928, 196621, 393242, 786484, 1572968, 2556073, 5112146, 10224292, 20448584]

約数ペア:

[(1, 20448584), (2, 10224292), (4, 5112146), (8, 2556073), (13, 1572968), (26, 786484), (52, 393242), (104, 196621), (353, 57928), (557, 36712), (706, 28964), (1114, 18356), (1412, 14482), (2228, 9178), (2824, 7241), (4456, 4589)]