20632509

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 32832000

約数和(自身を除く): 12199491

約数列:

[1, 3, 9, 17, 27, 51, 79, 153, 237, 459, 569, 711, 1343, 1707, 2133, 4029, 5121, 9673, 12087, 15363, 29019, 36261, 44951, 87057, 134853, 261171, 404559, 764167, 1213677, 2292501, 6877503, 20632509]

約数ペア:

[(1, 20632509), (3, 6877503), (9, 2292501), (17, 1213677), (27, 764167), (51, 404559), (79, 261171), (153, 134853), (237, 87057), (459, 44951), (569, 36261), (711, 29019), (1343, 15363), (1707, 12087), (2133, 9673), (4029, 5121)]