20796831

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1373}}^1$

素因数の和:1413

約数の個数: 40

約数和(自身を含む): 35910864

約数和(自身を除く): 15114033

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 81, 99, 153, 187, 297, 459, 561, 891, 1373, 1377, 1683, 4119, 5049, 12357, 15103, 15147, 23341, 37071, 45309, 70023, 111213, 135927, 210069, 256751, 407781, 630207, 770253, 1223343, 1890621, 2310759, 6932277, 20796831]

約数ペア:

[(1, 20796831), (3, 6932277), (9, 2310759), (11, 1890621), (17, 1223343), (27, 770253), (33, 630207), (51, 407781), (81, 256751), (99, 210069), (153, 135927), (187, 111213), (297, 70023), (459, 45309), (561, 37071), (891, 23341), (1373, 15147), (1377, 15103), (1683, 12357), (4119, 5049)]