20804938322

素因数分解:

$2^1\times 7^2\times {\mathrm{1123}}^1\times {\mathrm{189043}}^1$

素因数の和:190182

約数の個数: 24

約数和(自身を含む): 36335012976

約数和(自身を除く): 15530074654

約数列:

[1, 2, 7, 14, 49, 98, 1123, 2246, 7861, 15722, 55027, 110054, 189043, 378086, 1323301, 2646602, 9263107, 18526214, 212295289, 424590578, 1486067023, 2972134046, 10402469161, 20804938322]

約数ペア:

[(1, 20804938322), (2, 10402469161), (7, 2972134046), (14, 1486067023), (49, 424590578), (98, 212295289), (1123, 18526214), (2246, 9263107), (7861, 2646602), (15722, 1323301), (55027, 378086), (110054, 189043)]