20640336

素因数分解:

$2^4\times 3^1\times {\mathrm{430007}}^1$

素因数の和:430018

約数の個数: 20

約数和(自身を含む): 53320992

約数和(自身を除く): 32680656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 430007, 860014, 1290021, 1720028, 2580042, 3440056, 5160084, 6880112, 10320168, 20640336]

約数ペア:

[(1, 20640336), (2, 10320168), (3, 6880112), (4, 5160084), (6, 3440056), (8, 2580042), (12, 1720028), (16, 1290021), (24, 860014), (48, 430007)]