About the Number

20122101

20122100 ← → 20122102

2進数表記:1001100110000100111110101

漢数字表記:二千十二万二千百一

素因数分解:

3 5 × 17 1 × 4871 1

素因数の和:4903
約数の個数: 24
約数和(自身を含む): 31921344
約数和(自身を除く): 11799243

約数列:
[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4871, 14613, 43839, 82807, 131517, 248421, 394551, 745263, 1183653, 2235789, 6707367, 20122101]

約数ペア:
[(1, 20122101), (3, 6707367), (9, 2235789), (17, 1183653), (27, 745263), (51, 394551), (81, 248421), (153, 131517), (243, 82807), (459, 43839), (1377, 14613), (4131, 4871)]

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