20508186

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{5171}}^1$

素因数の和:5837

約数の個数: 16

約数和(自身を含む): 41086368

約数和(自身を除く): 20578182

約数列:

[1, 2, 3, 6, 661, 1322, 1983, 3966, 5171, 10342, 15513, 31026, 3418031, 6836062, 10254093, 20508186]

約数ペア:

[(1, 20508186), (2, 10254093), (3, 6836062), (6, 3418031), (661, 31026), (1322, 15513), (1983, 10342), (3966, 5171)]