About the Number

2013305985

2013305984 ← → 2013305986

2進数表記:1111000000000001001110010000001

漢数字表記:二十億千三百三十万五千九百八十五

素因数分解:

3 2 × 5 1 × 157 1 × 284969 1

素因数の和:285137
約数の個数: 24
約数和(自身を含む): 3511970280
約数和(自身を除く): 1498664295

約数列:
[1, 3, 5, 9, 15, 45, 157, 471, 785, 1413, 2355, 7065, 284969, 854907, 1424845, 2564721, 4274535, 12823605, 44740133, 134220399, 223700665, 402661197, 671101995, 2013305985]

約数ペア:
[(1, 2013305985), (3, 671101995), (5, 402661197), (9, 223700665), (15, 134220399), (45, 44740133), (157, 12823605), (471, 4274535), (785, 2564721), (1413, 1424845), (2355, 854907), (7065, 284969)]

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