About the Number

20104988

20104987 ← → 20104989

2進数表記:1001100101100011100011100

漢数字表記:二千十万四千九百八十八

素因数分解:

2 2 × 31 1 × 281 1 × 577 1

素因数の和:893
約数の個数: 24
約数和(自身を含む): 36511104
約数和(自身を除く): 16406116

約数列:
[1, 2, 4, 31, 62, 124, 281, 562, 577, 1124, 1154, 2308, 8711, 17422, 17887, 34844, 35774, 71548, 162137, 324274, 648548, 5026247, 10052494, 20104988]

約数ペア:
[(1, 20104988), (2, 10052494), (4, 5026247), (31, 648548), (62, 324274), (124, 162137), (281, 71548), (562, 35774), (577, 34844), (1124, 17887), (1154, 17422), (2308, 8711)]

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