About the Number

20321275

20321274 ← → 20321276

2進数表記:1001101100001001111111011

漢数字表記:二千三十二万千二百七十五

素因数分解:

5 2 × 13 1 × 31 1 × 2017 1

素因数の和:2071
約数の個数: 24
約数和(自身を含む): 28025984
約数和(自身を除く): 7704709

約数列:
[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 2015, 2017, 10075, 10085, 26221, 50425, 62527, 131105, 312635, 655525, 812851, 1563175, 4064255, 20321275]

約数ペア:
[(1, 20321275), (5, 4064255), (13, 1563175), (25, 812851), (31, 655525), (65, 312635), (155, 131105), (325, 62527), (403, 50425), (775, 26221), (2015, 10085), (2017, 10075)]

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