20730674293

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{643}}^1\times {\mathrm{15937}}^1$

素因数の和:16621

約数の個数: 24

約数和(自身を含む): 25208560832

約数和(自身を除く): 4477886539

約数列:

[1, 7, 17, 119, 289, 643, 2023, 4501, 10931, 15937, 76517, 111559, 185827, 270929, 1300789, 1896503, 4605793, 10247491, 32240551, 71732437, 174207347, 1219451429, 2961524899, 20730674293]

約数ペア:

[(1, 20730674293), (7, 2961524899), (17, 1219451429), (119, 174207347), (289, 71732437), (643, 32240551), (2023, 10247491), (4501, 4605793), (10931, 1896503), (15937, 1300789), (76517, 270929), (111559, 185827)]