20769489

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9343}}^1$

素因数の和:9381

約数の個数: 24

約数和(自身を含む): 34012160

約数和(自身を除く): 13242671

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 9343, 28029, 84087, 121459, 177517, 364377, 532551, 1093131, 1597653, 2307721, 6923163, 20769489]

約数ペア:

[(1, 20769489), (3, 6923163), (9, 2307721), (13, 1597653), (19, 1093131), (39, 532551), (57, 364377), (117, 177517), (171, 121459), (247, 84087), (741, 28029), (2223, 9343)]