20163264548

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1361279}}^1$

素因数の和:1361336

約数の個数: 36

約数和(自身を含む): 42156119040

約数和(自身を除く): 21992854492

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 529, 644, 1058, 2116, 3703, 7406, 14812, 1361279, 2722558, 5445116, 9528953, 19057906, 31309417, 38115812, 62618834, 125237668, 219165919, 438331838, 720116591, 876663676, 1440233182, 2880466364, 5040816137, 10081632274, 20163264548]

約数ペア:

[(1, 20163264548), (2, 10081632274), (4, 5040816137), (7, 2880466364), (14, 1440233182), (23, 876663676), (28, 720116591), (46, 438331838), (92, 219165919), (161, 125237668), (322, 62618834), (529, 38115812), (644, 31309417), (1058, 19057906), (2116, 9528953), (3703, 5445116), (7406, 2722558), (14812, 1361279)]