20786949

素因数分解:

$3^5\times {\mathrm{131}}^1\times {\mathrm{653}}^1$

素因数の和:799

約数の個数: 24

約数和(自身を含む): 31423392

約数和(自身を除く): 10636443

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 653, 1179, 1959, 3537, 5877, 10611, 17631, 31833, 52893, 85543, 158679, 256629, 769887, 2309661, 6928983, 20786949]

約数ペア:

[(1, 20786949), (3, 6928983), (9, 2309661), (27, 769887), (81, 256629), (131, 158679), (243, 85543), (393, 52893), (653, 31833), (1179, 17631), (1959, 10611), (3537, 5877)]