20799856

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16883}}^1$

素因数の和:16909

約数の個数: 40

約数和(自身を含む): 50246784

約数和(自身を除く): 29446928

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16883, 33766, 67532, 118181, 135064, 185713, 236362, 270128, 371426, 472724, 742852, 945448, 1299991, 1485704, 1890896, 2599982, 2971408, 5199964, 10399928, 20799856]

約数ペア:

[(1, 20799856), (2, 10399928), (4, 5199964), (7, 2971408), (8, 2599982), (11, 1890896), (14, 1485704), (16, 1299991), (22, 945448), (28, 742852), (44, 472724), (56, 371426), (77, 270128), (88, 236362), (112, 185713), (154, 135064), (176, 118181), (308, 67532), (616, 33766), (1232, 16883)]