About the Number

20080920

20080919 ← → 20080921

2進数表記:1001100100110100100011000

漢数字表記:二千八万九百二十

素因数分解:

2 3 × 3 1 × 5 1 × 167341 1

素因数の和:167355
約数の個数: 32
約数和(自身を含む): 60243120
約数和(自身を除く): 40162200

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167341, 334682, 502023, 669364, 836705, 1004046, 1338728, 1673410, 2008092, 2510115, 3346820, 4016184, 5020230, 6693640, 10040460, 20080920]

約数ペア:
[(1, 20080920), (2, 10040460), (3, 6693640), (4, 5020230), (5, 4016184), (6, 3346820), (8, 2510115), (10, 2008092), (12, 1673410), (15, 1338728), (20, 1004046), (24, 836705), (30, 669364), (40, 502023), (60, 334682), (120, 167341)]

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