20610495

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{11171}}^1$

素因数の和:11223

約数の個数: 24

約数和(自身を含む): 36599472

約数和(自身を除く): 15988977

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 11171, 33513, 55855, 100539, 167565, 458011, 502695, 1374033, 2290055, 4122099, 6870165, 20610495]

約数ペア:

[(1, 20610495), (3, 6870165), (5, 4122099), (9, 2290055), (15, 1374033), (41, 502695), (45, 458011), (123, 167565), (205, 100539), (369, 55855), (615, 33513), (1845, 11171)]