20797887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{3643}}^1$

素因数の和:3830

約数の個数: 16

約数和(自身を含む): 30434688

約数和(自身を除く): 9636801

約数列:

[1, 3, 11, 33, 173, 519, 1903, 3643, 5709, 10929, 40073, 120219, 630239, 1890717, 6932629, 20797887]

約数ペア:

[(1, 20797887), (3, 6932629), (11, 1890717), (33, 630239), (173, 120219), (519, 40073), (1903, 10929), (3643, 5709)]