20504937

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{6911}}^1$

素因数の和:6980

約数の個数: 16

約数和(自身を含む): 29196288

約数和(自身を除く): 8691351

約数列:

[1, 3, 23, 43, 69, 129, 989, 2967, 6911, 20733, 158953, 297173, 476859, 891519, 6834979, 20504937]

約数ペア:

[(1, 20504937), (3, 6834979), (23, 891519), (43, 476859), (69, 297173), (129, 158953), (989, 20733), (2967, 6911)]