20802317510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{160017827}}^1$

素因数の和:160017847

約数の個数: 16

約数和(自身を含む): 40324492656

約数和(自身を除く): 19522175146

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 160017827, 320035654, 800089135, 1600178270, 2080231751, 4160463502, 10401158755, 20802317510]

約数ペア:

[(1, 20802317510), (2, 10401158755), (5, 4160463502), (10, 2080231751), (13, 1600178270), (26, 800089135), (65, 320035654), (130, 160017827)]