20218392459

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{309391}}^1$

素因数の和:309587

約数の個数: 24

約数和(自身を含む): 29972659392

約数和(自身を除く): 9754266933

約数列:

[1, 3, 9, 53, 137, 159, 411, 477, 1233, 7261, 21783, 65349, 309391, 928173, 2784519, 16397723, 42386567, 49193169, 127159701, 147579507, 381479103, 2246488051, 6739464153, 20218392459]

約数ペア:

[(1, 20218392459), (3, 6739464153), (9, 2246488051), (53, 381479103), (137, 147579507), (159, 127159701), (411, 49193169), (477, 42386567), (1233, 16397723), (7261, 2784519), (21783, 928173), (65349, 309391)]