About the Number

2021740

2021739 ← → 2021741

2進数表記:111101101100101101100

漢数字表記:二百二万千七百四十

素因数分解:

2 2 × 5 1 × 7 2 × 2063 1

素因数の和:2086
約数の個数: 36
約数和(自身を含む): 4941216
約数和(自身を除く): 2919476

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2063, 4126, 8252, 10315, 14441, 20630, 28882, 41260, 57764, 72205, 101087, 144410, 202174, 288820, 404348, 505435, 1010870, 2021740]

約数ペア:
[(1, 2021740), (2, 1010870), (4, 505435), (5, 404348), (7, 288820), (10, 202174), (14, 144410), (20, 101087), (28, 72205), (35, 57764), (49, 41260), (70, 28882), (98, 20630), (140, 14441), (196, 10315), (245, 8252), (490, 4126), (980, 2063)]

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