20949467

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3727}}^1$

素因数の和:3818

約数の個数: 16

約数和(自身を含む): 26483712

約数和(自身を除く): 5534245

約数列:

[1, 7, 11, 73, 77, 511, 803, 3727, 5621, 26089, 40997, 272071, 286979, 1904497, 2992781, 20949467]

約数ペア:

[(1, 20949467), (7, 2992781), (11, 1904497), (73, 286979), (77, 272071), (511, 40997), (803, 26089), (3727, 5621)]