About the Number

164020420

164020419 ← → 164020421

2進数表記:1001110001101100000011000100

漢数字表記:一億六千四百二万四百二十

素因数分解:

2 2 × 5 1 × 17 1 × 482413 1

素因数の和:482439
約数の個数: 24
約数和(自身を含む): 364704984
約数和(自身を除く): 200684564

約数列:
[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 482413, 964826, 1929652, 2412065, 4824130, 8201021, 9648260, 16402042, 32804084, 41005105, 82010210, 164020420]

約数ペア:
[(1, 164020420), (2, 82010210), (4, 41005105), (5, 32804084), (10, 16402042), (17, 9648260), (20, 8201021), (34, 4824130), (68, 2412065), (85, 1929652), (170, 964826), (340, 482413)]

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