20654881

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4919}}^1$

素因数の和:4968

約数の個数: 16

約数和(自身を含む): 24796800

約数和(自身を除く): 4141919

約数列:

[1, 13, 17, 19, 221, 247, 323, 4199, 4919, 63947, 83623, 93461, 1087099, 1214993, 1588837, 20654881]

約数ペア:

[(1, 20654881), (13, 1588837), (17, 1214993), (19, 1087099), (221, 93461), (247, 83623), (323, 63947), (4199, 4919)]