20551184

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4637}}^1$

素因数の和:4922

約数の個数: 20

約数和(自身を含む): 39970284

約数和(自身を除く): 19419100

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4637, 9274, 18548, 37096, 74192, 1284449, 2568898, 5137796, 10275592, 20551184]

約数ペア:

[(1, 20551184), (2, 10275592), (4, 5137796), (8, 2568898), (16, 1284449), (277, 74192), (554, 37096), (1108, 18548), (2216, 9274), (4432, 4637)]