About the Number

20995712

20995711 ← → 20995713

2進数表記:1010000000101111010000000

漢数字表記:二千九十九万五千七百十二

素因数分解:

2 7 × 61 1 × 2689 1

素因数の和:2764
約数の個数: 32
約数和(自身を含む): 42528900
約数和(自身を除く): 21533188

約数列:
[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 488, 976, 1952, 2689, 3904, 5378, 7808, 10756, 21512, 43024, 86048, 164029, 172096, 328058, 344192, 656116, 1312232, 2624464, 5248928, 10497856, 20995712]

約数ペア:
[(1, 20995712), (2, 10497856), (4, 5248928), (8, 2624464), (16, 1312232), (32, 656116), (61, 344192), (64, 328058), (122, 172096), (128, 164029), (244, 86048), (488, 43024), (976, 21512), (1952, 10756), (2689, 7808), (3904, 5378)]

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