20404936

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134243}}^1$

素因数の和:134268

約数の個数: 16

約数和(自身を含む): 40273200

約数和(自身を除く): 19868264

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134243, 268486, 536972, 1073944, 2550617, 5101234, 10202468, 20404936]

約数ペア:

[(1, 20404936), (2, 10202468), (4, 5101234), (8, 2550617), (19, 1073944), (38, 536972), (76, 268486), (152, 134243)]