20659203

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{55987}}^1$

素因数の和:56034

約数の個数: 12

約数和(自身を含む): 30569448

約数和(自身を除く): 9910245

約数列:

[1, 3, 9, 41, 123, 369, 55987, 167961, 503883, 2295467, 6886401, 20659203]

約数ペア:

[(1, 20659203), (3, 6886401), (9, 2295467), (41, 503883), (123, 167961), (369, 55987)]