About the Number

208020090

208020089 ← → 208020091

2進数表記:1100011001100010001001111010

漢数字表記:二億八百二万九十

素因数分解:

2 1 × 3 1 × 5 1 × 6934003 1

素因数の和:6934013
約数の個数: 16
約数和(自身を含む): 499248288
約数和(自身を除く): 291228198

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 6934003, 13868006, 20802009, 34670015, 41604018, 69340030, 104010045, 208020090]

約数ペア:
[(1, 208020090), (2, 104010045), (3, 69340030), (5, 41604018), (6, 34670015), (10, 20802009), (15, 13868006), (30, 6934003)]

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