20218979391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1061}}^1\times {\mathrm{1103}}^1$

素因数の和:2623

約数の個数: 32

約数和(自身を含む): 29151747072

約数和(自身を除く): 8932767681

約数列:

[1, 3, 13, 39, 443, 1061, 1103, 1329, 3183, 3309, 5759, 13793, 14339, 17277, 41379, 43017, 470023, 488629, 1170283, 1410069, 1465887, 3510849, 6110299, 6352177, 15213679, 18330897, 19056531, 45641037, 518435369, 1555306107, 6739659797, 20218979391]

約数ペア:

[(1, 20218979391), (3, 6739659797), (13, 1555306107), (39, 518435369), (443, 45641037), (1061, 19056531), (1103, 18330897), (1329, 15213679), (3183, 6352177), (3309, 6110299), (5759, 3510849), (13793, 1465887), (14339, 1410069), (17277, 1170283), (41379, 488629), (43017, 470023)]