20452647

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 27941760

約数和(自身を除く): 7489113

約数列:

[1, 3, 53, 159, 307, 419, 921, 1257, 16271, 22207, 48813, 66621, 128633, 385899, 6817549, 20452647]

約数ペア:

[(1, 20452647), (3, 6817549), (53, 385899), (159, 128633), (307, 66621), (419, 48813), (921, 22207), (1257, 16271)]