About the Number

20121261312

20121261311 ← → 20121261313

2進数表記:10010101111010100100001010100000000

漢数字表記:二百一億二千百二十六万千三百十二

素因数分解:

2 8 × 3 1 × 1103 1 × 23753 1

素因数の和:24875
約数の個数: 72
約数和(自身を含む): 53602706304
約数和(自身を除く): 33481444992

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 1103, 2206, 3309, 4412, 6618, 8824, 13236, 17648, 23753, 26472, 35296, 47506, 52944, 70592, 71259, 95012, 105888, 141184, 142518, 190024, 211776, 282368, 285036, 380048, 423552, 570072, 760096, 847104, 1140144, 1520192, 2280288, 3040384, 4560576, 6080768, 9121152, 18242304, 26199559, 52399118, 78598677, 104798236, 157197354, 209596472, 314394708, 419192944, 628789416, 838385888, 1257578832, 1676771776, 2515157664, 3353543552, 5030315328, 6707087104, 10060630656, 20121261312]

約数ペア:
[(1, 20121261312), (2, 10060630656), (3, 6707087104), (4, 5030315328), (6, 3353543552), (8, 2515157664), (12, 1676771776), (16, 1257578832), (24, 838385888), (32, 628789416), (48, 419192944), (64, 314394708), (96, 209596472), (128, 157197354), (192, 104798236), (256, 78598677), (384, 52399118), (768, 26199559), (1103, 18242304), (2206, 9121152), (3309, 6080768), (4412, 4560576), (6618, 3040384), (8824, 2280288), (13236, 1520192), (17648, 1140144), (23753, 847104), (26472, 760096), (35296, 570072), (47506, 423552), (52944, 380048), (70592, 285036), (71259, 282368), (95012, 211776), (105888, 190024), (141184, 142518)]

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