About the Number

126680021

126680020 ← → 126680022

2進数表記:111100011001111101111010101

漢数字表記:一億二千六百六十八万二十一

素因数分解:

13 1 × 23 1 × 43 1 × 59 1 × 167 1

素因数の和:305
約数の個数: 32
約数和(自身を含む): 149022720
約数和(自身を除く): 22342699

約数列:
[1, 13, 23, 43, 59, 167, 299, 559, 767, 989, 1357, 2171, 2537, 3841, 7181, 9853, 12857, 17641, 32981, 49933, 58351, 93353, 128089, 165163, 226619, 423679, 758563, 2147119, 2946047, 5507827, 9744617, 126680021]

約数ペア:
[(1, 126680021), (13, 9744617), (23, 5507827), (43, 2946047), (59, 2147119), (167, 758563), (299, 423679), (559, 226619), (767, 165163), (989, 128089), (1357, 93353), (2171, 58351), (2537, 49933), (3841, 32981), (7181, 17641), (9853, 12857)]

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