20829567

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 11426433

約数列:

[1, 3, 11, 19, 33, 57, 139, 209, 239, 417, 627, 717, 1529, 2629, 2641, 4541, 4587, 7887, 7923, 13623, 29051, 33221, 49951, 87153, 99663, 149853, 365431, 631199, 1096293, 1893597, 6943189, 20829567]

約数ペア:

[(1, 20829567), (3, 6943189), (11, 1893597), (19, 1096293), (33, 631199), (57, 365431), (139, 149853), (209, 99663), (239, 87153), (417, 49951), (627, 33221), (717, 29051), (1529, 13623), (2629, 7923), (2641, 7887), (4541, 4587)]