20506305348

素因数分解:

$2^2\times 3^2\times {\mathrm{577}}^1\times {\mathrm{987209}}^1$

素因数の和:987796

約数の個数: 36

約数和(自身を含む): 51925271580

約数和(自身を除く): 31418966232

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 577, 1154, 1731, 2308, 3462, 5193, 6924, 10386, 20772, 987209, 1974418, 2961627, 3948836, 5923254, 8884881, 11846508, 17769762, 35539524, 569619593, 1139239186, 1708858779, 2278478372, 3417717558, 5126576337, 6835435116, 10253152674, 20506305348]

約数ペア:

[(1, 20506305348), (2, 10253152674), (3, 6835435116), (4, 5126576337), (6, 3417717558), (9, 2278478372), (12, 1708858779), (18, 1139239186), (36, 569619593), (577, 35539524), (1154, 17769762), (1731, 11846508), (2308, 8884881), (3462, 5923254), (5193, 3948836), (6924, 2961627), (10386, 1974418), (20772, 987209)]