20690776

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{48799}}^1$

素因数の和:48858

約数の個数: 16

約数和(自身を含む): 39528000

約数和(自身を除く): 18837224

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 48799, 97598, 195196, 390392, 2586347, 5172694, 10345388, 20690776]

約数ペア:

[(1, 20690776), (2, 10345388), (4, 5172694), (8, 2586347), (53, 390392), (106, 195196), (212, 97598), (424, 48799)]