20698218

素因数分解:

$2^1\times 3^2\times {\mathrm{1149901}}^1$

素因数の和:1149909

約数の個数: 12

約数和(自身を含む): 44846178

約数和(自身を除く): 24147960

約数列:

[1, 2, 3, 6, 9, 18, 1149901, 2299802, 3449703, 6899406, 10349109, 20698218]

約数ペア:

[(1, 20698218), (2, 10349109), (3, 6899406), (6, 3449703), (9, 2299802), (18, 1149901)]