20508711531

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{397}}^1\times {\mathrm{223633}}^1$

素因数の和:224051

約数の個数: 32

約数和(自身を含む): 34178431488

約数和(自身を除く): 13669719957

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 397, 1191, 2779, 4367, 8337, 13101, 30569, 91707, 223633, 670899, 1565431, 2459963, 4696293, 7379889, 17219741, 51659223, 88782301, 266346903, 621476107, 976605311, 1864428321, 2929815933, 6836237177, 20508711531]

約数ペア:

[(1, 20508711531), (3, 6836237177), (7, 2929815933), (11, 1864428321), (21, 976605311), (33, 621476107), (77, 266346903), (231, 88782301), (397, 51659223), (1191, 17219741), (2779, 7379889), (4367, 4696293), (8337, 2459963), (13101, 1565431), (30569, 670899), (91707, 223633)]