20090642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 35683200

約数和(自身を除く): 15592558

約数列:

[1, 2, 11, 13, 22, 26, 143, 199, 286, 353, 398, 706, 2189, 2587, 3883, 4378, 4589, 5174, 7766, 9178, 28457, 50479, 56914, 70247, 100958, 140494, 772717, 913211, 1545434, 1826422, 10045321, 20090642]

約数ペア:

[(1, 20090642), (2, 10045321), (11, 1826422), (13, 1545434), (22, 913211), (26, 772717), (143, 140494), (199, 100958), (286, 70247), (353, 56914), (398, 50479), (706, 28457), (2189, 9178), (2587, 7766), (3883, 5174), (4378, 4589)]