20853546

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{953}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 47806848

約数和(自身を除く): 26953302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521, 953, 1042, 1563, 1906, 2859, 3126, 3647, 5718, 6671, 7294, 10941, 13342, 20013, 21882, 40026, 496513, 993026, 1489539, 2979078, 3475591, 6951182, 10426773, 20853546]

約数ペア:

[(1, 20853546), (2, 10426773), (3, 6951182), (6, 3475591), (7, 2979078), (14, 1489539), (21, 993026), (42, 496513), (521, 40026), (953, 21882), (1042, 20013), (1563, 13342), (1906, 10941), (2859, 7294), (3126, 6671), (3647, 5718)]