20852816

素因数分解:

$2^4\times {\mathrm{1019}}^1\times {\mathrm{1279}}^1$

素因数の和:2306

約数の個数: 20

約数和(自身を含む): 40473600

約数和(自身を除く): 19620784

約数列:

[1, 2, 4, 8, 16, 1019, 1279, 2038, 2558, 4076, 5116, 8152, 10232, 16304, 20464, 1303301, 2606602, 5213204, 10426408, 20852816]

約数ペア:

[(1, 20852816), (2, 10426408), (4, 5213204), (8, 2606602), (16, 1303301), (1019, 20464), (1279, 16304), (2038, 10232), (2558, 8152), (4076, 5116)]