20658722

素因数分解:

$2^1\times 7^1\times {\mathrm{563}}^1\times {\mathrm{2621}}^1$

素因数の和:3193

約数の個数: 16

約数和(自身を含む): 35491392

約数和(自身を除く): 14832670

約数列:

[1, 2, 7, 14, 563, 1126, 2621, 3941, 5242, 7882, 18347, 36694, 1475623, 2951246, 10329361, 20658722]

約数ペア:

[(1, 20658722), (2, 10329361), (7, 2951246), (14, 1475623), (563, 36694), (1126, 18347), (2621, 7882), (3941, 5242)]