20256538

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{827}}^1$

素因数の和:1197

約数の個数: 16

約数和(自身を含む): 31338144

約数和(自身を除く): 11081606

約数列:

[1, 2, 37, 74, 331, 662, 827, 1654, 12247, 24494, 30599, 61198, 273737, 547474, 10128269, 20256538]

約数ペア:

[(1, 20256538), (2, 10128269), (37, 547474), (74, 273737), (331, 61198), (662, 30599), (827, 24494), (1654, 12247)]