20487819

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1621}}^1$

素因数の和:2018

約数の個数: 16

約数和(自身を含む): 29896704

約数和(自身を除く): 9408885

約数列:

[1, 3, 11, 33, 383, 1149, 1621, 4213, 4863, 12639, 17831, 53493, 620843, 1862529, 6829273, 20487819]

約数ペア:

[(1, 20487819), (3, 6829273), (11, 1862529), (33, 620843), (383, 53493), (1149, 17831), (1621, 12639), (4213, 4863)]