20417936

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16573}}^1$

素因数の和:16599

約数の個数: 40

約数和(自身を含む): 49324224

約数和(自身を除く): 28906288

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16573, 33146, 66292, 116011, 132584, 182303, 232022, 265168, 364606, 464044, 729212, 928088, 1276121, 1458424, 1856176, 2552242, 2916848, 5104484, 10208968, 20417936]

約数ペア:

[(1, 20417936), (2, 10208968), (4, 5104484), (7, 2916848), (8, 2552242), (11, 1856176), (14, 1458424), (16, 1276121), (22, 928088), (28, 729212), (44, 464044), (56, 364606), (77, 265168), (88, 232022), (112, 182303), (154, 132584), (176, 116011), (308, 66292), (616, 33146), (1232, 16573)]