About the Number

2720042020

2720042019 ← → 2720042021

2進数表記:10100010001000001000110000100100

漢数字表記:二十七億二千四万二千二十

素因数分解:

2 2 × 5 1 × 1009 1 × 134789 1

素因数の和:135807
約数の個数: 24
約数和(自身を含む): 5717791800
約数和(自身を除く): 2997749780

約数列:
[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 10090, 20180, 134789, 269578, 539156, 673945, 1347890, 2695780, 136002101, 272004202, 544008404, 680010505, 1360021010, 2720042020]

約数ペア:
[(1, 2720042020), (2, 1360021010), (4, 680010505), (5, 544008404), (10, 272004202), (20, 136002101), (1009, 2695780), (2018, 1347890), (4036, 673945), (5045, 539156), (10090, 269578), (20180, 134789)]

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