About the Number

20292740

20292739 ← → 20292741

2進数表記:1001101011010010010000100

漢数字表記:二千二十九万二千七百四十

素因数分解:

2 2 × 5 1 × 13 1 × 78049 1

素因数の和:78071
約数の個数: 24
約数和(自身を含む): 45893400
約数和(自身を除く): 25600660

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 78049, 156098, 312196, 390245, 780490, 1014637, 1560980, 2029274, 4058548, 5073185, 10146370, 20292740]

約数ペア:
[(1, 20292740), (2, 10146370), (4, 5073185), (5, 4058548), (10, 2029274), (13, 1560980), (20, 1014637), (26, 780490), (52, 390245), (65, 312196), (130, 156098), (260, 78049)]

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