About the Number

2009390906

2009390905 ← → 2009390907

2進数表記:1110111110001001101111100111010

漢数字表記:二十億九百三十九万九百六

素因数分解:

2 1 × 23 1 × 47 1 × 673 1 × 1381 1

素因数の和:2126
約数の個数: 32
約数和(自身を含む): 3219153408
約数和(自身を除く): 1209762502

約数列:
[1, 2, 23, 46, 47, 94, 673, 1081, 1346, 1381, 2162, 2762, 15479, 30958, 31631, 31763, 63262, 63526, 64907, 129814, 727513, 929413, 1455026, 1492861, 1858826, 2985722, 21376499, 42752998, 43682411, 87364822, 1004695453, 2009390906]

約数ペア:
[(1, 2009390906), (2, 1004695453), (23, 87364822), (46, 43682411), (47, 42752998), (94, 21376499), (673, 2985722), (1081, 1858826), (1346, 1492861), (1381, 1455026), (2162, 929413), (2762, 727513), (15479, 129814), (30958, 64907), (31631, 63526), (31763, 63262)]

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