20161496

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 40888800

約数和(自身を除く): 20727304

約数列:

[1, 2, 4, 8, 29, 43, 47, 58, 86, 94, 116, 172, 188, 232, 344, 376, 1247, 1363, 1849, 2021, 2494, 2726, 3698, 4042, 4988, 5452, 7396, 8084, 9976, 10904, 14792, 16168, 53621, 58609, 86903, 107242, 117218, 173806, 214484, 234436, 347612, 428968, 468872, 695224, 2520187, 5040374, 10080748, 20161496]

約数ペア:

[(1, 20161496), (2, 10080748), (4, 5040374), (8, 2520187), (29, 695224), (43, 468872), (47, 428968), (58, 347612), (86, 234436), (94, 214484), (116, 173806), (172, 117218), (188, 107242), (232, 86903), (344, 58609), (376, 53621), (1247, 16168), (1363, 14792), (1849, 10904), (2021, 9976), (2494, 8084), (2726, 7396), (3698, 5452), (4042, 4988)]