20026396

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1091}}^1$

素因数の和:1461

約数の個数: 24

約数和(自身を含む): 37883664

約数和(自身を除く): 17857268

約数列:

[1, 2, 4, 13, 26, 52, 353, 706, 1091, 1412, 2182, 4364, 4589, 9178, 14183, 18356, 28366, 56732, 385123, 770246, 1540492, 5006599, 10013198, 20026396]

約数ペア:

[(1, 20026396), (2, 10013198), (4, 5006599), (13, 1540492), (26, 770246), (52, 385123), (353, 56732), (706, 28366), (1091, 18356), (1412, 14183), (2182, 9178), (4364, 4589)]