20015037

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{727}}^1$

素因数の和:782

約数の個数: 48

約数和(自身を含む): 36341760

約数和(自身を除く): 16326723

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 483, 727, 1197, 1311, 1449, 2181, 3059, 3933, 5089, 6543, 9177, 13813, 15267, 16721, 27531, 41439, 45801, 50163, 96691, 117047, 124317, 150489, 290073, 317699, 351141, 870219, 953097, 1053423, 2223893, 2859291, 6671679, 20015037]

約数ペア:

[(1, 20015037), (3, 6671679), (7, 2859291), (9, 2223893), (19, 1053423), (21, 953097), (23, 870219), (57, 351141), (63, 317699), (69, 290073), (133, 150489), (161, 124317), (171, 117047), (207, 96691), (399, 50163), (437, 45801), (483, 41439), (727, 27531), (1197, 16721), (1311, 15267), (1449, 13813), (2181, 9177), (3059, 6543), (3933, 5089)]