20361789

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7883}}^1$

素因数の和:7937

約数の個数: 24

約数和(自身を含む): 34437312

約数和(自身を除く): 14075523

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 7883, 23649, 55181, 70947, 165543, 323203, 496629, 969609, 2262421, 2908827, 6787263, 20361789]

約数ペア:

[(1, 20361789), (3, 6787263), (7, 2908827), (9, 2262421), (21, 969609), (41, 496629), (63, 323203), (123, 165543), (287, 70947), (369, 55181), (861, 23649), (2583, 7883)]