20427084

素因数分解:

$2^2\times 3^2\times {\mathrm{647}}^1\times {\mathrm{877}}^1$

素因数の和:1534

約数の個数: 36

約数和(自身を含む): 51773904

約数和(自身を除く): 31346820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 647, 877, 1294, 1754, 1941, 2588, 2631, 3508, 3882, 5262, 5823, 7764, 7893, 10524, 11646, 15786, 23292, 31572, 567419, 1134838, 1702257, 2269676, 3404514, 5106771, 6809028, 10213542, 20427084]

約数ペア:

[(1, 20427084), (2, 10213542), (3, 6809028), (4, 5106771), (6, 3404514), (9, 2269676), (12, 1702257), (18, 1134838), (36, 567419), (647, 31572), (877, 23292), (1294, 15786), (1754, 11646), (1941, 10524), (2588, 7893), (2631, 7764), (3508, 5823), (3882, 5262)]