About the Number

20120730

20120729 ← → 20120731

2進数表記:1001100110000010010011010

漢数字表記:二千十二万七百三十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 95813 1

素因数の和:95830
約数の個数: 32
約数和(自身を含む): 55188864
約数和(自身を除く): 35068134

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 95813, 191626, 287439, 479065, 574878, 670691, 958130, 1341382, 1437195, 2012073, 2874390, 3353455, 4024146, 6706910, 10060365, 20120730]

約数ペア:
[(1, 20120730), (2, 10060365), (3, 6706910), (5, 4024146), (6, 3353455), (7, 2874390), (10, 2012073), (14, 1437195), (15, 1341382), (21, 958130), (30, 670691), (35, 574878), (42, 479065), (70, 287439), (105, 191626), (210, 95813)]

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