20992654

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{1289}}^1$

素因数の和:1787

約数の個数: 16

約数和(自身を含む): 33436800

約数和(自身を除く): 12444146

約数列:

[1, 2, 17, 34, 479, 958, 1289, 2578, 8143, 16286, 21913, 43826, 617431, 1234862, 10496327, 20992654]

約数ペア:

[(1, 20992654), (2, 10496327), (17, 1234862), (34, 617431), (479, 43826), (958, 21913), (1289, 16286), (2578, 8143)]