20595664

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{4139}}^1$

素因数の和:4458

約数の個数: 20

約数和(自身を含む): 40042080

約数和(自身を除く): 19446416

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4139, 4976, 8278, 16556, 33112, 66224, 1287229, 2574458, 5148916, 10297832, 20595664]

約数ペア:

[(1, 20595664), (2, 10297832), (4, 5148916), (8, 2574458), (16, 1287229), (311, 66224), (622, 33112), (1244, 16556), (2488, 8278), (4139, 4976)]