About the Number

2010081381

2010081380 ← → 2010081382

2進数表記:1110111110011110110100001100101

漢数字表記:二十億千八万千三百八十一

素因数分解:

3 1 × 7 2 × 11 1 × 1243093 1

素因数の和:1243121
約数の個数: 24
約数和(自身を含む): 3401105184
約数和(自身を除く): 1391023803

約数列:
[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 1243093, 3729279, 8701651, 13674023, 26104953, 41022069, 60911557, 95718161, 182734671, 287154483, 670027127, 2010081381]

約数ペア:
[(1, 2010081381), (3, 670027127), (7, 287154483), (11, 182734671), (21, 95718161), (33, 60911557), (49, 41022069), (77, 26104953), (147, 13674023), (231, 8701651), (539, 3729279), (1617, 1243093)]

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