20536263

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 35043840

約数和(自身を除く): 14507577

約数列:

[1, 3, 9, 11, 23, 29, 33, 69, 87, 99, 207, 253, 261, 311, 319, 667, 759, 933, 957, 2001, 2277, 2799, 2871, 3421, 6003, 7153, 7337, 9019, 10263, 21459, 22011, 27057, 30789, 64377, 66033, 78683, 81171, 99209, 207437, 236049, 297627, 622311, 708147, 892881, 1866933, 2281807, 6845421, 20536263]

約数ペア:

[(1, 20536263), (3, 6845421), (9, 2281807), (11, 1866933), (23, 892881), (29, 708147), (33, 622311), (69, 297627), (87, 236049), (99, 207437), (207, 99209), (253, 81171), (261, 78683), (311, 66033), (319, 64377), (667, 30789), (759, 27057), (933, 22011), (957, 21459), (2001, 10263), (2277, 9019), (2799, 7337), (2871, 7153), (3421, 6003)]