20123701878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{479135759}}^1$

素因数の和:479135771

約数の個数: 16

約数和(自身を含む): 45997032960

約数和(自身を除く): 25873331082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 479135759, 958271518, 1437407277, 2874814554, 3353950313, 6707900626, 10061850939, 20123701878]

約数ペア:

[(1, 20123701878), (2, 10061850939), (3, 6707900626), (6, 3353950313), (7, 2874814554), (14, 1437407277), (21, 958271518), (42, 479135759)]