20890424

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137437}}^1$

素因数の和:137462

約数の個数: 16

約数和(自身を含む): 41231400

約数和(自身を除く): 20340976

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 137437, 274874, 549748, 1099496, 2611303, 5222606, 10445212, 20890424]

約数ペア:

[(1, 20890424), (2, 10445212), (4, 5222606), (8, 2611303), (19, 1099496), (38, 549748), (76, 274874), (152, 137437)]