20444284

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1877}}^1$

素因数の和:2277

約数の個数: 24

約数和(自身を含む): 41015520

約数和(自身を除く): 20571236

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 1877, 2723, 3754, 5446, 7508, 10892, 13139, 26278, 52556, 730153, 1460306, 2920612, 5111071, 10222142, 20444284]

約数ペア:

[(1, 20444284), (2, 10222142), (4, 5111071), (7, 2920612), (14, 1460306), (28, 730153), (389, 52556), (778, 26278), (1556, 13139), (1877, 10892), (2723, 7508), (3754, 5446)]