About the Number

27438020

27438019 ← → 27438021

2進数表記:1101000101010101111000100

漢数字表記:二千七百四十三万八千二十

素因数分解:

2 2 × 5 1 × 41 1 × 33461 1

素因数の和:33511
約数の個数: 24
約数和(自身を含む): 59026968
約数和(自身を除く): 31588948

約数列:
[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 33461, 66922, 133844, 167305, 334610, 669220, 1371901, 2743802, 5487604, 6859505, 13719010, 27438020]

約数ペア:
[(1, 27438020), (2, 13719010), (4, 6859505), (5, 5487604), (10, 2743802), (20, 1371901), (41, 669220), (82, 334610), (164, 167305), (205, 133844), (410, 66922), (820, 33461)]

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