20111984

素因数分解:

$2^4\times {\mathrm{433}}^1\times {\mathrm{2903}}^1$

素因数の和:3344

約数の個数: 20

約数和(自身を含む): 39070416

約数和(自身を除く): 18958432

約数列:

[1, 2, 4, 8, 16, 433, 866, 1732, 2903, 3464, 5806, 6928, 11612, 23224, 46448, 1256999, 2513998, 5027996, 10055992, 20111984]

約数ペア:

[(1, 20111984), (2, 10055992), (4, 5027996), (8, 2513998), (16, 1256999), (433, 46448), (866, 23224), (1732, 11612), (2903, 6928), (3464, 5806)]