20290896

素因数分解:

$2^4\times 3^2\times {\mathrm{140909}}^1$

素因数の和:140923

約数の個数: 30

約数和(自身を含む): 56786730

約数和(自身を除く): 36495834

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 140909, 281818, 422727, 563636, 845454, 1127272, 1268181, 1690908, 2254544, 2536362, 3381816, 5072724, 6763632, 10145448, 20290896]

約数ペア:

[(1, 20290896), (2, 10145448), (3, 6763632), (4, 5072724), (6, 3381816), (8, 2536362), (9, 2254544), (12, 1690908), (16, 1268181), (18, 1127272), (24, 845454), (36, 563636), (48, 422727), (72, 281818), (144, 140909)]