About the Number

20040321640

20040321639 ← → 20040321641

2進数表記:10010101010011111110000101001101000

漢数字表記:二百億四千三十二万千六百四十

素因数分解:

2 3 × 5 1 × 137 1 × 3656993 1

素因数の和:3657141
約数の個数: 32
約数和(自身を含む): 45419865480
約数和(自身を除く): 25379543840

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 3656993, 7313986, 14627972, 18284965, 29255944, 36569930, 73139860, 146279720, 501008041, 1002016082, 2004032164, 2505040205, 4008064328, 5010080410, 10020160820, 20040321640]

約数ペア:
[(1, 20040321640), (2, 10020160820), (4, 5010080410), (5, 4008064328), (8, 2505040205), (10, 2004032164), (20, 1002016082), (40, 501008041), (137, 146279720), (274, 73139860), (548, 36569930), (685, 29255944), (1096, 18284965), (1370, 14627972), (2740, 7313986), (5480, 3656993)]

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