20867882

素因数分解:

$2^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{2017}}^1$

素因数の和:2765

約数の個数: 16

約数和(自身を含む): 35839680

約数和(自身を除く): 14971798

約数列:

[1, 2, 7, 14, 739, 1478, 2017, 4034, 5173, 10346, 14119, 28238, 1490563, 2981126, 10433941, 20867882]

約数ペア:

[(1, 20867882), (2, 10433941), (7, 2981126), (14, 1490563), (739, 28238), (1478, 14119), (2017, 10346), (4034, 5173)]