20270547

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:672

約数の個数: 32

約数和(自身を含む): 33073920

約数和(自身を除く): 12803373

約数列:

[1, 3, 9, 11, 27, 33, 99, 131, 297, 393, 521, 1179, 1441, 1563, 3537, 4323, 4689, 5731, 12969, 14067, 17193, 38907, 51579, 68251, 154737, 204753, 614259, 750761, 1842777, 2252283, 6756849, 20270547]

約数ペア:

[(1, 20270547), (3, 6756849), (9, 2252283), (11, 1842777), (27, 750761), (33, 614259), (99, 204753), (131, 154737), (297, 68251), (393, 51579), (521, 38907), (1179, 17193), (1441, 14067), (1563, 12969), (3537, 5731), (4323, 4689)]