20198512

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{23819}}^1$

素因数の和:23880

約数の個数: 20

約数和(自身を含む): 39874680

約数和(自身を除く): 19676168

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 23819, 47638, 95276, 190552, 381104, 1262407, 2524814, 5049628, 10099256, 20198512]

約数ペア:

[(1, 20198512), (2, 10099256), (4, 5049628), (8, 2524814), (16, 1262407), (53, 381104), (106, 190552), (212, 95276), (424, 47638), (848, 23819)]