About the Number

201980204

201980203 ← → 201980205

2進数表記:1100000010011111100100101100

漢数字表記:二億百九十八万二百四

素因数分解:

2 2 × 23 1 × 101 1 × 21737 1

素因数の和:21865
約数の個数: 24
約数和(自身を含む): 372502368
約数和(自身を除く): 170522164

約数列:
[1, 2, 4, 23, 46, 92, 101, 202, 404, 2323, 4646, 9292, 21737, 43474, 86948, 499951, 999902, 1999804, 2195437, 4390874, 8781748, 50495051, 100990102, 201980204]

約数ペア:
[(1, 201980204), (2, 100990102), (4, 50495051), (23, 8781748), (46, 4390874), (92, 2195437), (101, 1999804), (202, 999902), (404, 499951), (2323, 86948), (4646, 43474), (9292, 21737)]

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