20506572

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{3823}}^1$

素因数の和:3982

約数の個数: 36

約数和(自身を含む): 52197600

約数和(自身を除く): 31691028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 298, 447, 596, 894, 1341, 1788, 2682, 3823, 5364, 7646, 11469, 15292, 22938, 34407, 45876, 68814, 137628, 569627, 1139254, 1708881, 2278508, 3417762, 5126643, 6835524, 10253286, 20506572]

約数ペア:

[(1, 20506572), (2, 10253286), (3, 6835524), (4, 5126643), (6, 3417762), (9, 2278508), (12, 1708881), (18, 1139254), (36, 569627), (149, 137628), (298, 68814), (447, 45876), (596, 34407), (894, 22938), (1341, 15292), (1788, 11469), (2682, 7646), (3823, 5364)]