20174752479

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{1597}}^1\times {\mathrm{4391}}^1$

素因数の和:6135

約数の個数: 32

約数和(自身を含む): 30993325056

約数和(自身を除く): 10818572577

約数列:

[1, 3, 7, 21, 137, 411, 959, 1597, 2877, 4391, 4791, 11179, 13173, 30737, 33537, 92211, 218789, 601567, 656367, 1531523, 1804701, 4210969, 4594569, 7012427, 12632907, 21037281, 49086989, 147260967, 960702499, 2882107497, 6724917493, 20174752479]

約数ペア:

[(1, 20174752479), (3, 6724917493), (7, 2882107497), (21, 960702499), (137, 147260967), (411, 49086989), (959, 21037281), (1597, 12632907), (2877, 7012427), (4391, 4594569), (4791, 4210969), (11179, 1804701), (13173, 1531523), (30737, 656367), (33537, 601567), (92211, 218789)]