20472783

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{1103}}^1$

素因数の和:1398

約数の個数: 16

約数和(自身を含む): 28615680

約数和(自身を除く): 8142897

約数列:

[1, 3, 23, 69, 269, 807, 1103, 3309, 6187, 18561, 25369, 76107, 296707, 890121, 6824261, 20472783]

約数ペア:

[(1, 20472783), (3, 6824261), (23, 890121), (69, 296707), (269, 76107), (807, 25369), (1103, 18561), (3309, 6187)]