About the Number

20207988

20207987 ← → 20207989

2進数表記:1001101000101100101110100

漢数字表記:二千二十万七千九百八十八

素因数分解:

2 2 × 3 3 × 187111 1

素因数の和:187124
約数の個数: 24
約数和(自身を含む): 52391360
約数和(自身を除く): 32183372

約数列:
[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 187111, 374222, 561333, 748444, 1122666, 1683999, 2245332, 3367998, 5051997, 6735996, 10103994, 20207988]

約数ペア:
[(1, 20207988), (2, 10103994), (3, 6735996), (4, 5051997), (6, 3367998), (9, 2245332), (12, 1683999), (18, 1122666), (27, 748444), (36, 561333), (54, 374222), (108, 187111)]

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