20268396

素因数分解:

$2^2\times 3^2\times {\mathrm{563011}}^1$

素因数の和:563021

約数の個数: 18

約数和(自身を含む): 51234092

約数和(自身を除く): 30965696

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 563011, 1126022, 1689033, 2252044, 3378066, 5067099, 6756132, 10134198, 20268396]

約数ペア:

[(1, 20268396), (2, 10134198), (3, 6756132), (4, 5067099), (6, 3378066), (9, 2252044), (12, 1689033), (18, 1126022), (36, 563011)]