20428542

素因数分解:

$2^1\times 3^2\times {\mathrm{701}}^1\times {\mathrm{1619}}^1$

素因数の和:2328

約数の個数: 24

約数和(自身を含む): 44352360

約数和(自身を除く): 23923818

約数列:

[1, 2, 3, 6, 9, 18, 701, 1402, 1619, 2103, 3238, 4206, 4857, 6309, 9714, 12618, 14571, 29142, 1134919, 2269838, 3404757, 6809514, 10214271, 20428542]

約数ペア:

[(1, 20428542), (2, 10214271), (3, 6809514), (6, 3404757), (9, 2269838), (18, 1134919), (701, 29142), (1402, 14571), (1619, 12618), (2103, 9714), (3238, 6309), (4206, 4857)]