About the Number

20009380

20009379 ← → 20009381

2進数表記:1001100010101000110100100

漢数字表記:二千万九千三百八十

素因数分解:

2 2 × 5 1 × 769 1 × 1301 1

素因数の和:2079
約数の個数: 24
約数和(自身を含む): 42106680
約数和(自身を除く): 22097300

約数列:
[1, 2, 4, 5, 10, 20, 769, 1301, 1538, 2602, 3076, 3845, 5204, 6505, 7690, 13010, 15380, 26020, 1000469, 2000938, 4001876, 5002345, 10004690, 20009380]

約数ペア:
[(1, 20009380), (2, 10004690), (4, 5002345), (5, 4001876), (10, 2000938), (20, 1000469), (769, 26020), (1301, 15380), (1538, 13010), (2602, 7690), (3076, 6505), (3845, 5204)]

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