20806484254

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{2389}}^1\times {\mathrm{61333}}^1$

素因数の和:63795

約数の個数: 16

約数和(自身を含む): 31663064160

約数和(自身を除く): 10856579906

約数列:

[1, 2, 71, 142, 2389, 4778, 61333, 122666, 169619, 339238, 4354643, 8709286, 146524537, 293049074, 10403242127, 20806484254]

約数ペア:

[(1, 20806484254), (2, 10403242127), (71, 293049074), (142, 146524537), (2389, 8709286), (4778, 4354643), (61333, 339238), (122666, 169619)]