20996092

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2029}}^1$

素因数の和:2245

約数の個数: 24

約数和(自身を含む): 39788000

約数和(自身を除く): 18791908

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 2029, 2587, 4058, 5174, 8116, 10348, 26377, 52754, 105508, 403771, 807542, 1615084, 5249023, 10498046, 20996092]

約数ペア:

[(1, 20996092), (2, 10498046), (4, 5249023), (13, 1615084), (26, 807542), (52, 403771), (199, 105508), (398, 52754), (796, 26377), (2029, 10348), (2587, 8116), (4058, 5174)]