20302011

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{1487}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 30873024

約数和(自身を除く): 10571013

約数列:

[1, 3, 9, 37, 41, 111, 123, 333, 369, 1487, 1517, 4461, 4551, 13383, 13653, 55019, 60967, 165057, 182901, 495171, 548703, 2255779, 6767337, 20302011]

約数ペア:

[(1, 20302011), (3, 6767337), (9, 2255779), (37, 548703), (41, 495171), (111, 182901), (123, 165057), (333, 60967), (369, 55019), (1487, 13653), (1517, 13383), (4461, 4551)]