20561926

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{133519}}^1$

素因数の和:133539

約数の個数: 16

約数和(自身を含む): 38453760

約数和(自身を除く): 17891834

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 133519, 267038, 934633, 1468709, 1869266, 2937418, 10280963, 20561926]

約数ペア:

[(1, 20561926), (2, 10280963), (7, 2937418), (11, 1869266), (14, 1468709), (22, 934633), (77, 267038), (154, 133519)]