20429788249

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{71999}}^1$

素因数の和:72121

約数の個数: 24

約数和(自身を含む): 23400576000

約数和(自身を除く): 2970787751

約数列:

[1, 13, 23, 73, 169, 299, 949, 1679, 3887, 12337, 21827, 71999, 283751, 935987, 1655977, 5255927, 12167831, 21527701, 68327051, 120886321, 279860113, 888251663, 1571522173, 20429788249]

約数ペア:

[(1, 20429788249), (13, 1571522173), (23, 888251663), (73, 279860113), (169, 120886321), (299, 68327051), (949, 21527701), (1679, 12167831), (3887, 5255927), (12337, 1655977), (21827, 935987), (71999, 283751)]