20403604

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23081}}^1$

素因数の和:23115

約数の個数: 24

約数和(自身を含む): 40716648

約数和(自身を除く): 20313044

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 23081, 46162, 92324, 300053, 392377, 600106, 784754, 1200212, 1569508, 5100901, 10201802, 20403604]

約数ペア:

[(1, 20403604), (2, 10201802), (4, 5100901), (13, 1569508), (17, 1200212), (26, 784754), (34, 600106), (52, 392377), (68, 300053), (221, 92324), (442, 46162), (884, 23081)]