20123768497

素因数分解:

$7^3\times {\mathrm{919}}^1\times {\mathrm{63841}}^1$

素因数の和:64781

約数の個数: 16

約数和(自身を含む): 23493856000

約数和(自身を除く): 3370087503

約数列:

[1, 7, 49, 343, 919, 6433, 45031, 63841, 315217, 446887, 3128209, 21897463, 58669879, 410689153, 2874824071, 20123768497]

約数ペア:

[(1, 20123768497), (7, 2874824071), (49, 410689153), (343, 58669879), (919, 21897463), (6433, 3128209), (45031, 446887), (63841, 315217)]