20465949

素因数分解:

$3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{8941}}^1$

素因数の和:9060

約数の個数: 16

約数和(自身を含む): 31475840

約数和(自身を除く): 11009891

約数列:

[1, 3, 7, 21, 109, 327, 763, 2289, 8941, 26823, 62587, 187761, 974569, 2923707, 6821983, 20465949]

約数ペア:

[(1, 20465949), (3, 6821983), (7, 2923707), (21, 974569), (109, 187761), (327, 62587), (763, 26823), (2289, 8941)]