About the Number

20120947

20120946 ← → 20120948

2進数表記:1001100110000010101110011

漢数字表記:二千十二万九百四十七

素因数分解:

7 1 × 11 1 × 43 1 × 59 1 × 103 1

素因数の和:223
約数の個数: 32
約数和(自身を含む): 26357760
約数和(自身を除く): 6236813

約数列:
[1, 7, 11, 43, 59, 77, 103, 301, 413, 473, 649, 721, 1133, 2537, 3311, 4429, 4543, 6077, 7931, 17759, 27907, 31003, 42539, 48719, 66847, 195349, 261311, 341033, 467929, 1829177, 2874421, 20120947]

約数ペア:
[(1, 20120947), (7, 2874421), (11, 1829177), (43, 467929), (59, 341033), (77, 261311), (103, 195349), (301, 66847), (413, 48719), (473, 42539), (649, 31003), (721, 27907), (1133, 17759), (2537, 7931), (3311, 6077), (4429, 4543)]

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