About the Number

201920388

201920387 ← → 201920389

2進数表記:1100000010010000111110000100

漢数字表記:二億百九十二万三百八十八

素因数分解:

2 2 × 3 1 × 29 1 × 580231 1

素因数の和:580267
約数の個数: 24
約数和(自身を含む): 487394880
約数和(自身を除く): 285474492

約数列:
[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 580231, 1160462, 1740693, 2320924, 3481386, 6962772, 16826699, 33653398, 50480097, 67306796, 100960194, 201920388]

約数ペア:
[(1, 201920388), (2, 100960194), (3, 67306796), (4, 50480097), (6, 33653398), (12, 16826699), (29, 6962772), (58, 3481386), (87, 2320924), (116, 1740693), (174, 1160462), (348, 580231)]

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