20504097

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4475

約数の個数: 24

約数和(自身を含む): 32337760

約数和(自身を除く): 11833663

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4441, 4617, 13323, 39969, 84379, 119907, 253137, 359721, 759411, 1079163, 2278233, 6834699, 20504097]

約数ペア:

[(1, 20504097), (3, 6834699), (9, 2278233), (19, 1079163), (27, 759411), (57, 359721), (81, 253137), (171, 119907), (243, 84379), (513, 39969), (1539, 13323), (4441, 4617)]