About the Number

2009380947

2009380946 ← → 2009380948

2進数表記:1110111110001001011100001010011

漢数字表記:二十億九百三十八万九百四十七

素因数分解:

3 1 × 7 1 × 23 1 × 83 1 × 50123 1

素因数の和:50239
約数の個数: 32
約数和(自身を含む): 3233599488
約数和(自身を除く): 1224218541

約数列:
[1, 3, 7, 21, 23, 69, 83, 161, 249, 483, 581, 1743, 1909, 5727, 13363, 40089, 50123, 150369, 350861, 1052583, 1152829, 3458487, 4160209, 8069803, 12480627, 24209409, 29121463, 87364389, 95684807, 287054421, 669793649, 2009380947]

約数ペア:
[(1, 2009380947), (3, 669793649), (7, 287054421), (21, 95684807), (23, 87364389), (69, 29121463), (83, 24209409), (161, 12480627), (249, 8069803), (483, 4160209), (581, 3458487), (1743, 1152829), (1909, 1052583), (5727, 350861), (13363, 150369), (40089, 50123)]

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