About the Number

13980920

13980919 ← → 13980921

2進数表記:110101010101010011111000

漢数字表記:千三百九十八万九百二十

素因数分解:

2 3 × 5 1 × 193 1 × 1811 1

素因数の和:2015
約数の個数: 32
約数和(自身を含む): 31637520
約数和(自身を除く): 17656600

約数列:
[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1811, 1930, 3622, 3860, 7244, 7720, 9055, 14488, 18110, 36220, 72440, 349523, 699046, 1398092, 1747615, 2796184, 3495230, 6990460, 13980920]

約数ペア:
[(1, 13980920), (2, 6990460), (4, 3495230), (5, 2796184), (8, 1747615), (10, 1398092), (20, 699046), (40, 349523), (193, 72440), (386, 36220), (772, 18110), (965, 14488), (1544, 9055), (1811, 7720), (1930, 7244), (3622, 3860)]

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