20956617

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1721}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 34715520

約数和(自身を除く): 13758903

約数列:

[1, 3, 9, 11, 27, 33, 41, 99, 123, 297, 369, 451, 1107, 1353, 1721, 4059, 5163, 12177, 15489, 18931, 46467, 56793, 70561, 170379, 211683, 511137, 635049, 776171, 1905147, 2328513, 6985539, 20956617]

約数ペア:

[(1, 20956617), (3, 6985539), (9, 2328513), (11, 1905147), (27, 776171), (33, 635049), (41, 511137), (99, 211683), (123, 170379), (297, 70561), (369, 56793), (451, 46467), (1107, 18931), (1353, 15489), (1721, 12177), (4059, 5163)]