20705280786

素因数分解:

$2^1\times 3^2\times {\mathrm{239}}^1\times {\mathrm{4812943}}^1$

素因数の和:4813190

約数の個数: 24

約数和(自身を含む): 45049155840

約数和(自身を除く): 24343875054

約数列:

[1, 2, 3, 6, 9, 18, 239, 478, 717, 1434, 2151, 4302, 4812943, 9625886, 14438829, 28877658, 43316487, 86632974, 1150293377, 2300586754, 3450880131, 6901760262, 10352640393, 20705280786]

約数ペア:

[(1, 20705280786), (2, 10352640393), (3, 6901760262), (6, 3450880131), (9, 2300586754), (18, 1150293377), (239, 86632974), (478, 43316487), (717, 28877658), (1434, 14438829), (2151, 9625886), (4302, 4812943)]