20380424

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{6353}}^1$

素因数の和:6760

約数の個数: 16

約数和(自身を含む): 38314620

約数和(自身を除く): 17934196

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 6353, 12706, 25412, 50824, 2547553, 5095106, 10190212, 20380424]

約数ペア:

[(1, 20380424), (2, 10190212), (4, 5095106), (8, 2547553), (401, 50824), (802, 25412), (1604, 12706), (3208, 6353)]