About the Number

54990020

54990019 ← → 54990021

2進数表記:11010001110001010011000100

漢数字表記:五千四百九十九万二十

素因数分解:

2 2 × 5 1 × 41 1 × 67061 1

素因数の和:67111
約数の個数: 24
約数和(自身を含む): 118297368
約数和(自身を除く): 63307348

約数列:
[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 67061, 134122, 268244, 335305, 670610, 1341220, 2749501, 5499002, 10998004, 13747505, 27495010, 54990020]

約数ペア:
[(1, 54990020), (2, 27495010), (4, 13747505), (5, 10998004), (10, 5499002), (20, 2749501), (41, 1341220), (82, 670610), (164, 335305), (205, 268244), (410, 134122), (820, 67061)]

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