About the Number

20124988

20124987 ← → 20124989

2進数表記:1001100110001010100111100

漢数字表記:二千十二万四千九百八十八

素因数分解:

2 2 × 13 1 × 107 1 × 3617 1

素因数の和:3741
約数の個数: 24
約数和(自身を含む): 38292912
約数和(自身を除く): 18167924

約数列:
[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3617, 5564, 7234, 14468, 47021, 94042, 188084, 387019, 774038, 1548076, 5031247, 10062494, 20124988]

約数ペア:
[(1, 20124988), (2, 10062494), (4, 5031247), (13, 1548076), (26, 774038), (52, 387019), (107, 188084), (214, 94042), (428, 47021), (1391, 14468), (2782, 7234), (3617, 5564)]

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