20546163

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 35324800

約数和(自身を除く): 14778637

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 99, 121, 171, 209, 297, 331, 363, 513, 627, 993, 1089, 1881, 2299, 2979, 3267, 3641, 5643, 6289, 6897, 8937, 10923, 18867, 20691, 32769, 40051, 56601, 62073, 69179, 98307, 120153, 169803, 207537, 360459, 622611, 760969, 1081377, 1867833, 2282907, 6848721, 20546163]

約数ペア:

[(1, 20546163), (3, 6848721), (9, 2282907), (11, 1867833), (19, 1081377), (27, 760969), (33, 622611), (57, 360459), (99, 207537), (121, 169803), (171, 120153), (209, 98307), (297, 69179), (331, 62073), (363, 56601), (513, 40051), (627, 32769), (993, 20691), (1089, 18867), (1881, 10923), (2299, 8937), (2979, 6897), (3267, 6289), (3641, 5643)]