About the Number

2009738020

2009738019 ← → 2009738021

2進数表記:1110111110010100010101100100100

漢数字表記:二十億九百七十三万八千二十

素因数分解:

2 2 × 5 1 × 4339 1 × 23159 1

素因数の和:27507
約数の個数: 24
約数和(自身を含む): 4221604800
約数和(自身を除く): 2211866780

約数列:
[1, 2, 4, 5, 10, 20, 4339, 8678, 17356, 21695, 23159, 43390, 46318, 86780, 92636, 115795, 231590, 463180, 100486901, 200973802, 401947604, 502434505, 1004869010, 2009738020]

約数ペア:
[(1, 2009738020), (2, 1004869010), (4, 502434505), (5, 401947604), (10, 200973802), (20, 100486901), (4339, 463180), (8678, 231590), (17356, 115795), (21695, 92636), (23159, 86780), (43390, 46318)]

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