20831748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{247997}}^1$

素因数の和:248011

約数の個数: 24

約数和(自身を含む): 55551552

約数和(自身を除く): 34719804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 247997, 495994, 743991, 991988, 1487982, 1735979, 2975964, 3471958, 5207937, 6943916, 10415874, 20831748]

約数ペア:

[(1, 20831748), (2, 10415874), (3, 6943916), (4, 5207937), (6, 3471958), (7, 2975964), (12, 1735979), (14, 1487982), (21, 991988), (28, 743991), (42, 495994), (84, 247997)]