20049872

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6361}}^1$

素因数の和:6566

約数の個数: 20

約数和(自身を含む): 39049956

約数和(自身を除く): 19000084

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6361, 12722, 25444, 50888, 101776, 1253117, 2506234, 5012468, 10024936, 20049872]

約数ペア:

[(1, 20049872), (2, 10024936), (4, 5012468), (8, 2506234), (16, 1253117), (197, 101776), (394, 50888), (788, 25444), (1576, 12722), (3152, 6361)]