About the Number

20129439

20129438 ← → 20129440

2進数表記:1001100110010011010011111

漢数字表記:二千十二万九千四百三十九

素因数分解:

3 1 × 11 2 × 23 1 × 2411 1

素因数の和:2459
約数の個数: 24
約数和(自身を含む): 30796416
約数和(自身を除く): 10666977

約数列:
[1, 3, 11, 23, 33, 69, 121, 253, 363, 759, 2411, 2783, 7233, 8349, 26521, 55453, 79563, 166359, 291731, 609983, 875193, 1829949, 6709813, 20129439]

約数ペア:
[(1, 20129439), (3, 6709813), (11, 1829949), (23, 875193), (33, 609983), (69, 291731), (121, 166359), (253, 79563), (363, 55453), (759, 26521), (2411, 8349), (2783, 7233)]

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