20571556

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{4793}}^1$

素因数の和:4863

約数の個数: 24

約数和(自身を含む): 38256120

約数和(自身を除く): 17684564

約数列:

[1, 2, 4, 29, 37, 58, 74, 116, 148, 1073, 2146, 4292, 4793, 9586, 19172, 138997, 177341, 277994, 354682, 555988, 709364, 5142889, 10285778, 20571556]

約数ペア:

[(1, 20571556), (2, 10285778), (4, 5142889), (29, 709364), (37, 555988), (58, 354682), (74, 277994), (116, 177341), (148, 138997), (1073, 19172), (2146, 9586), (4292, 4793)]