20168071

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7079}}^1$

素因数の和:7134

約数の個数: 16

約数和(自身を含む): 25827840

約数和(自身を除く): 5659769

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7079, 49553, 77869, 261923, 545083, 1833461, 2881153, 20168071]

約数ペア:

[(1, 20168071), (7, 2881153), (11, 1833461), (37, 545083), (77, 261923), (259, 77869), (407, 49553), (2849, 7079)]