22369520

素因数分解:

$2^4\times 5^1\times {\mathrm{279619}}^1$

素因数の和:279632

約数の個数: 20

約数和(自身を含む): 52009320

約数和(自身を除く): 29639800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279619, 559238, 1118476, 1398095, 2236952, 2796190, 4473904, 5592380, 11184760, 22369520]

約数ペア:

[(1, 22369520), (2, 11184760), (4, 5592380), (5, 4473904), (8, 2796190), (10, 2236952), (16, 1398095), (20, 1118476), (40, 559238), (80, 279619)]