20803568

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{18313}}^1$

素因数の和:18392

約数の個数: 20

約数和(自身を含む): 40876848

約数和(自身を除く): 20073280

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 18313, 36626, 73252, 146504, 293008, 1300223, 2600446, 5200892, 10401784, 20803568]

約数ペア:

[(1, 20803568), (2, 10401784), (4, 5200892), (8, 2600446), (16, 1300223), (71, 293008), (142, 146504), (284, 73252), (568, 36626), (1136, 18313)]