20281980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{338033}}^1$

素因数の和:338045

約数の個数: 24

約数和(自身を含む): 56789712

約数和(自身を除く): 36507732

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 338033, 676066, 1014099, 1352132, 1690165, 2028198, 3380330, 4056396, 5070495, 6760660, 10140990, 20281980]

約数ペア:

[(1, 20281980), (2, 10140990), (3, 6760660), (4, 5070495), (5, 4056396), (6, 3380330), (10, 2028198), (12, 1690165), (15, 1352132), (20, 1014099), (30, 676066), (60, 338033)]