About the Number

20851480

20851479 ← → 20851481

2進数表記:1001111100010101100011000

漢数字表記:二千八十五万千四百八十

素因数分解:

2 3 × 5 1 × 13 1 × 40099 1

素因数の和:40123
約数の個数: 32
約数和(自身を含む): 50526000
約数和(自身を除く): 29674520

約数列:
[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 40099, 80198, 160396, 200495, 320792, 400990, 521287, 801980, 1042574, 1603960, 2085148, 2606435, 4170296, 5212870, 10425740, 20851480]

約数ペア:
[(1, 20851480), (2, 10425740), (4, 5212870), (5, 4170296), (8, 2606435), (10, 2085148), (13, 1603960), (20, 1042574), (26, 801980), (40, 521287), (52, 400990), (65, 320792), (104, 200495), (130, 160396), (260, 80198), (520, 40099)]

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