20879127

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{6287}}^1$

素因数の和:6340

約数の個数: 20

約数和(自身を含む): 31955616

約数和(自身を除く): 11076489

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 6287, 18861, 56583, 169749, 257767, 509247, 773301, 2319903, 6959709, 20879127]

約数ペア:

[(1, 20879127), (3, 6959709), (9, 2319903), (27, 773301), (41, 509247), (81, 257767), (123, 169749), (369, 56583), (1107, 18861), (3321, 6287)]