20246532957

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{870931}}^1$

素因数の和:870991

約数の個数: 40

約数和(自身を含む): 35408611392

約数和(自身を除く): 15162078435

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 1107, 2583, 3321, 7749, 23247, 870931, 2612793, 6096517, 7838379, 18289551, 23515137, 35708171, 54868653, 70545411, 107124513, 164605959, 249957197, 321373539, 493817877, 749871591, 964120617, 2249614773, 2892361851, 6748844319, 20246532957]

約数ペア:

[(1, 20246532957), (3, 6748844319), (7, 2892361851), (9, 2249614773), (21, 964120617), (27, 749871591), (41, 493817877), (63, 321373539), (81, 249957197), (123, 164605959), (189, 107124513), (287, 70545411), (369, 54868653), (567, 35708171), (861, 23515137), (1107, 18289551), (2583, 7838379), (3321, 6096517), (7749, 2612793), (23247, 870931)]