20439507

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{4877}}^1$

素因数の和:5018

約数の個数: 16

約数和(自身を含む): 29970432

約数和(自身を除く): 9530925

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 4877, 14631, 53647, 160941, 619379, 1858137, 6813169, 20439507]

約数ペア:

[(1, 20439507), (3, 6813169), (11, 1858137), (33, 619379), (127, 160941), (381, 53647), (1397, 14631), (4191, 4877)]