20842227

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{8069}}^1$

素因数の和:8123

約数の個数: 24

約数和(自身を含む): 35249760

約数和(自身を除く): 14407533

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 8069, 24207, 56483, 72621, 169449, 330829, 508347, 992487, 2315803, 2977461, 6947409, 20842227]

約数ペア:

[(1, 20842227), (3, 6947409), (7, 2977461), (9, 2315803), (21, 992487), (41, 508347), (63, 330829), (123, 169449), (287, 72621), (369, 56483), (861, 24207), (2583, 8069)]