About the Number

13728020

13728019 ← → 13728021

2進数表記:110100010111100100010100

漢数字表記:千三百七十二万八千二十

素因数分解:

2 2 × 5 1 × 29 1 × 23669 1

素因数の和:23707
約数の個数: 24
約数和(自身を含む): 29824200
約数和(自身を除く): 16096180

約数列:
[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 23669, 47338, 94676, 118345, 236690, 473380, 686401, 1372802, 2745604, 3432005, 6864010, 13728020]

約数ペア:
[(1, 13728020), (2, 6864010), (4, 3432005), (5, 2745604), (10, 1372802), (20, 686401), (29, 473380), (58, 236690), (116, 118345), (145, 94676), (290, 47338), (580, 23669)]

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