About the Number

6642020

6642019 ← → 6642021

2進数表記:11001010101100101100100

漢数字表記:六百六十四万二千二十

素因数分解:

2 2 × 5 1 × 7 1 × 11 1 × 19 1 × 227 1

素因数の和:273
約数の個数: 96
約数和(自身を含む): 18385920
約数和(自身を除く): 11743900

約数列:
[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 227, 266, 308, 380, 385, 418, 454, 532, 665, 770, 836, 908, 1045, 1135, 1330, 1463, 1540, 1589, 2090, 2270, 2497, 2660, 2926, 3178, 4180, 4313, 4540, 4994, 5852, 6356, 7315, 7945, 8626, 9988, 12485, 14630, 15890, 17252, 17479, 21565, 24970, 29260, 30191, 31780, 34958, 43130, 47443, 49940, 60382, 69916, 86260, 87395, 94886, 120764, 150955, 174790, 189772, 237215, 301910, 332101, 349580, 474430, 603820, 664202, 948860, 1328404, 1660505, 3321010, 6642020]

約数ペア:
[(1, 6642020), (2, 3321010), (4, 1660505), (5, 1328404), (7, 948860), (10, 664202), (11, 603820), (14, 474430), (19, 349580), (20, 332101), (22, 301910), (28, 237215), (35, 189772), (38, 174790), (44, 150955), (55, 120764), (70, 94886), (76, 87395), (77, 86260), (95, 69916), (110, 60382), (133, 49940), (140, 47443), (154, 43130), (190, 34958), (209, 31780), (220, 30191), (227, 29260), (266, 24970), (308, 21565), (380, 17479), (385, 17252), (418, 15890), (454, 14630), (532, 12485), (665, 9988), (770, 8626), (836, 7945), (908, 7315), (1045, 6356), (1135, 5852), (1330, 4994), (1463, 4540), (1540, 4313), (1589, 4180), (2090, 3178), (2270, 2926), (2497, 2660)]

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