20638389

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2851}}^1$

素因数の和:3000

約数の個数: 16

約数和(自身を含む): 29204480

約数和(自身を除く): 8566091

約数列:

[1, 3, 19, 57, 127, 381, 2413, 2851, 7239, 8553, 54169, 162507, 362077, 1086231, 6879463, 20638389]

約数ペア:

[(1, 20638389), (3, 6879463), (19, 1086231), (57, 362077), (127, 162507), (381, 54169), (2413, 8553), (2851, 7239)]