About the Number

2008021264

2008021263 ← → 2008021265

2進数表記:1110111101011111111100100010000

漢数字表記:二十億八百二万千二百六十四

素因数分解:

2 4 × 613 1 × 204733 1

素因数の和:205354
約数の個数: 20
約数和(自身を含む): 3896906956
約数和(自身を除く): 1888885692

約数列:
[1, 2, 4, 8, 16, 613, 1226, 2452, 4904, 9808, 204733, 409466, 818932, 1637864, 3275728, 125501329, 251002658, 502005316, 1004010632, 2008021264]

約数ペア:
[(1, 2008021264), (2, 1004010632), (4, 502005316), (8, 251002658), (16, 125501329), (613, 3275728), (1226, 1637864), (2452, 818932), (4904, 409466), (9808, 204733)]

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