About the Number

20404790

20404789 ← → 20404791

2進数表記:1001101110101101000110110

漢数字表記:二千四十万四千七百九十

素因数分解:

2 1 × 5 1 × 7 1 × 43 1 × 6779 1

素因数の和:6836
約数の個数: 32
約数和(自身を含む): 42958080
約数和(自身を除く): 22553290

約数列:
[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6779, 13558, 33895, 47453, 67790, 94906, 237265, 291497, 474530, 582994, 1457485, 2040479, 2914970, 4080958, 10202395, 20404790]

約数ペア:
[(1, 20404790), (2, 10202395), (5, 4080958), (7, 2914970), (10, 2040479), (14, 1457485), (35, 582994), (43, 474530), (70, 291497), (86, 237265), (215, 94906), (301, 67790), (430, 47453), (602, 33895), (1505, 13558), (3010, 6779)]

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