20616436

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{1789}}^1$

素因数の和:1903

約数の個数: 24

約数和(自身を含む): 37489760

約数和(自身を除く): 16873324

約数列:

[1, 2, 4, 43, 67, 86, 134, 172, 268, 1789, 2881, 3578, 5762, 7156, 11524, 76927, 119863, 153854, 239726, 307708, 479452, 5154109, 10308218, 20616436]

約数ペア:

[(1, 20616436), (2, 10308218), (4, 5154109), (43, 479452), (67, 307708), (86, 239726), (134, 153854), (172, 119863), (268, 76927), (1789, 11524), (2881, 7156), (3578, 5762)]