20556444

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{20639}}^1$

素因数の和:20729

約数の個数: 24

約数和(自身を含む): 48545280

約数和(自身を除く): 27988836

約数列:

[1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 996, 20639, 41278, 61917, 82556, 123834, 247668, 1713037, 3426074, 5139111, 6852148, 10278222, 20556444]

約数ペア:

[(1, 20556444), (2, 10278222), (3, 6852148), (4, 5139111), (6, 3426074), (12, 1713037), (83, 247668), (166, 123834), (249, 82556), (332, 61917), (498, 41278), (996, 20639)]