20177021930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{779939}}^1$

素因数の和:780158

約数の個数: 32

約数和(自身を含む): 39308976000

約数和(自身を除く): 19131954070

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 199, 398, 995, 1990, 2587, 5174, 12935, 25870, 779939, 1559878, 3899695, 7799390, 10139207, 20278414, 50696035, 101392070, 155207861, 310415722, 776039305, 1552078610, 2017702193, 4035404386, 10088510965, 20177021930]

約数ペア:

[(1, 20177021930), (2, 10088510965), (5, 4035404386), (10, 2017702193), (13, 1552078610), (26, 776039305), (65, 310415722), (130, 155207861), (199, 101392070), (398, 50696035), (995, 20278414), (1990, 10139207), (2587, 7799390), (5174, 3899695), (12935, 1559878), (25870, 779939)]