20407636

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:603

約数の個数: 24

約数和(自身を含む): 36426600

約数和(自身を除く): 16018964

約数列:

[1, 2, 4, 97, 149, 194, 298, 353, 388, 596, 706, 1412, 14453, 28906, 34241, 52597, 57812, 68482, 105194, 136964, 210388, 5101909, 10203818, 20407636]

約数ペア:

[(1, 20407636), (2, 10203818), (4, 5101909), (97, 210388), (149, 136964), (194, 105194), (298, 68482), (353, 57812), (388, 52597), (596, 34241), (706, 28906), (1412, 14453)]