20512159659

素因数分解:

$3^4\times {\mathrm{17}}^2\times {\mathrm{109}}^1\times {\mathrm{8039}}^1$

素因数の和:8194

約数の個数: 60

約数和(自身を含む): 32852806800

約数和(自身を除く): 12340647141

約数列:

[1, 3, 9, 17, 27, 51, 81, 109, 153, 289, 327, 459, 867, 981, 1377, 1853, 2601, 2943, 5559, 7803, 8039, 8829, 16677, 23409, 24117, 31501, 50031, 72351, 94503, 136663, 150093, 217053, 283509, 409989, 651159, 850527, 876251, 1229967, 2323271, 2551581, 2628753, 3689901, 6969813, 7886259, 11069703, 14896267, 20909439, 23658777, 44688801, 62728317, 70976331, 134066403, 188184951, 253236539, 402199209, 759709617, 1206597627, 2279128851, 6837386553, 20512159659]

約数ペア:

[(1, 20512159659), (3, 6837386553), (9, 2279128851), (17, 1206597627), (27, 759709617), (51, 402199209), (81, 253236539), (109, 188184951), (153, 134066403), (289, 70976331), (327, 62728317), (459, 44688801), (867, 23658777), (981, 20909439), (1377, 14896267), (1853, 11069703), (2601, 7886259), (2943, 6969813), (5559, 3689901), (7803, 2628753), (8039, 2551581), (8829, 2323271), (16677, 1229967), (23409, 876251), (24117, 850527), (31501, 651159), (50031, 409989), (72351, 283509), (94503, 217053), (136663, 150093)]