20580976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{98947}}^1$

素因数の和:98968

約数の個数: 20

約数和(自身を含む): 42943432

約数和(自身を除く): 22362456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 98947, 197894, 395788, 791576, 1286311, 1583152, 2572622, 5145244, 10290488, 20580976]

約数ペア:

[(1, 20580976), (2, 10290488), (4, 5145244), (8, 2572622), (13, 1583152), (16, 1286311), (26, 791576), (52, 395788), (104, 197894), (208, 98947)]