20484254

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{4861}}^1$

素因数の和:4920

約数の個数: 24

約数和(自身を含む): 36581688

約数和(自身を除く): 16097434

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 4861, 9722, 34027, 68054, 209023, 238189, 418046, 476378, 1463161, 2926322, 10242127, 20484254]

約数ペア:

[(1, 20484254), (2, 10242127), (7, 2926322), (14, 1463161), (43, 476378), (49, 418046), (86, 238189), (98, 209023), (301, 68054), (602, 34027), (2107, 9722), (4214, 4861)]