About the Number

20424640

20424639 ← → 20424641

2進数表記:1001101111010011111000000

漢数字表記:二千四十二万四千六百四十

素因数分解:

2 6 × 5 1 × 83 1 × 769 1

素因数の和:869
約数の個数: 56
約数和(自身を含む): 49286160
約数和(自身を除く): 28861520

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 769, 830, 1328, 1538, 1660, 2656, 3076, 3320, 3845, 5312, 6152, 6640, 7690, 12304, 13280, 15380, 24608, 26560, 30760, 49216, 61520, 63827, 123040, 127654, 246080, 255308, 319135, 510616, 638270, 1021232, 1276540, 2042464, 2553080, 4084928, 5106160, 10212320, 20424640]

約数ペア:
[(1, 20424640), (2, 10212320), (4, 5106160), (5, 4084928), (8, 2553080), (10, 2042464), (16, 1276540), (20, 1021232), (32, 638270), (40, 510616), (64, 319135), (80, 255308), (83, 246080), (160, 127654), (166, 123040), (320, 63827), (332, 61520), (415, 49216), (664, 30760), (769, 26560), (830, 24608), (1328, 15380), (1538, 13280), (1660, 12304), (2656, 7690), (3076, 6640), (3320, 6152), (3845, 5312)]

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