20881260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{38669}}^1$

素因数の和:38687

約数の個数: 48

約数和(自身を含む): 64965600

約数和(自身を除く): 44084340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 38669, 77338, 116007, 154676, 193345, 232014, 348021, 386690, 464028, 580035, 696042, 773380, 1044063, 1160070, 1392084, 1740105, 2088126, 2320140, 3480210, 4176252, 5220315, 6960420, 10440630, 20881260]

約数ペア:

[(1, 20881260), (2, 10440630), (3, 6960420), (4, 5220315), (5, 4176252), (6, 3480210), (9, 2320140), (10, 2088126), (12, 1740105), (15, 1392084), (18, 1160070), (20, 1044063), (27, 773380), (30, 696042), (36, 580035), (45, 464028), (54, 386690), (60, 348021), (90, 232014), (108, 193345), (135, 154676), (180, 116007), (270, 77338), (540, 38669)]