20951308

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{3877}}^1$

素因数の和:4081

約数の個数: 24

約数和(自身を含む): 42130592

約数和(自身を除く): 21179284

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 3877, 5404, 7754, 15508, 27139, 54278, 108556, 748261, 1496522, 2993044, 5237827, 10475654, 20951308]

約数ペア:

[(1, 20951308), (2, 10475654), (4, 5237827), (7, 2993044), (14, 1496522), (28, 748261), (193, 108556), (386, 54278), (772, 27139), (1351, 15508), (2702, 7754), (3877, 5404)]