20828854

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{1627}}^1$

素因数の和:1839

約数の個数: 16

約数和(自身を含む): 32293008

約数和(自身を除く): 11464154

約数列:

[1, 2, 37, 74, 173, 346, 1627, 3254, 6401, 12802, 60199, 120398, 281471, 562942, 10414427, 20828854]

約数ペア:

[(1, 20828854), (2, 10414427), (37, 562942), (74, 281471), (173, 120398), (346, 60199), (1627, 12802), (3254, 6401)]