20827492

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5857}}^1$

素因数の和:5995

約数の個数: 24

約数和(自身を含む): 41990144

約数和(自身を除く): 21162652

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5857, 11714, 23428, 40999, 81998, 163996, 743839, 1487678, 2975356, 5206873, 10413746, 20827492]

約数ペア:

[(1, 20827492), (2, 10413746), (4, 5206873), (7, 2975356), (14, 1487678), (28, 743839), (127, 163996), (254, 81998), (508, 40999), (889, 23428), (1778, 11714), (3556, 5857)]