About the Number

20427140

20427139 ← → 20427141

2進数表記:1001101111011000110000100

漢数字表記:二千四十二万七千百四十

素因数分解:

2 2 × 5 1 × 31 1 × 47 1 × 701 1

素因数の和:788
約数の個数: 48
約数和(自身を含む): 45287424
約数和(自身を除く): 24860284

約数列:
[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 701, 940, 1402, 1457, 2804, 2914, 3505, 5828, 7010, 7285, 14020, 14570, 21731, 29140, 32947, 43462, 65894, 86924, 108655, 131788, 164735, 217310, 329470, 434620, 658940, 1021357, 2042714, 4085428, 5106785, 10213570, 20427140]

約数ペア:
[(1, 20427140), (2, 10213570), (4, 5106785), (5, 4085428), (10, 2042714), (20, 1021357), (31, 658940), (47, 434620), (62, 329470), (94, 217310), (124, 164735), (155, 131788), (188, 108655), (235, 86924), (310, 65894), (470, 43462), (620, 32947), (701, 29140), (940, 21731), (1402, 14570), (1457, 14020), (2804, 7285), (2914, 7010), (3505, 5828)]

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