20286604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20533}}^1$

素因数の和:20569

約数の個数: 24

約数和(自身を含む): 40246640

約数和(自身を除く): 19960036

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20533, 41066, 82132, 266929, 390127, 533858, 780254, 1067716, 1560508, 5071651, 10143302, 20286604]

約数ペア:

[(1, 20286604), (2, 10143302), (4, 5071651), (13, 1560508), (19, 1067716), (26, 780254), (38, 533858), (52, 390127), (76, 266929), (247, 82132), (494, 41066), (988, 20533)]