About the Number

20091550

20091549 ← → 20091551

2進数表記:1001100101001001010011110

漢数字表記:二千九万千五百五十

素因数分解:

2 1 × 5 2 × 19 1 × 21149 1

素因数の和:21180
約数の個数: 24
約数和(自身を含む): 39339000
約数和(自身を除く): 19247450

約数列:
[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 21149, 42298, 105745, 211490, 401831, 528725, 803662, 1057450, 2009155, 4018310, 10045775, 20091550]

約数ペア:
[(1, 20091550), (2, 10045775), (5, 4018310), (10, 2009155), (19, 1057450), (25, 803662), (38, 528725), (50, 401831), (95, 211490), (190, 105745), (475, 42298), (950, 21149)]

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