209313620

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{10151}}^1$

素因数の和:11191

約数の個数: 24

約数和(自身を含む): 440028288

約数和(自身を除く): 230714668

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 10151, 10310, 20302, 20620, 40604, 50755, 101510, 203020, 10465681, 20931362, 41862724, 52328405, 104656810, 209313620]

約数ペア:

[(1, 209313620), (2, 104656810), (4, 52328405), (5, 41862724), (10, 20931362), (20, 10465681), (1031, 203020), (2062, 101510), (4124, 50755), (5155, 40604), (10151, 20620), (10310, 20302)]