About the Number

13789920

13789919 ← → 13789921

2進数表記:110100100110101011100000

漢数字表記:千三百七十八万九千九百二十

素因数分解:

2 5 × 3 1 × 5 1 × 28729 1

素因数の和:28747
約数の個数: 48
約数和(自身を含む): 43439760
約数和(自身を除く): 29649840

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 28729, 57458, 86187, 114916, 143645, 172374, 229832, 287290, 344748, 430935, 459664, 574580, 689496, 861870, 919328, 1149160, 1378992, 1723740, 2298320, 2757984, 3447480, 4596640, 6894960, 13789920]

約数ペア:
[(1, 13789920), (2, 6894960), (3, 4596640), (4, 3447480), (5, 2757984), (6, 2298320), (8, 1723740), (10, 1378992), (12, 1149160), (15, 919328), (16, 861870), (20, 689496), (24, 574580), (30, 459664), (32, 430935), (40, 344748), (48, 287290), (60, 229832), (80, 172374), (96, 143645), (120, 114916), (160, 86187), (240, 57458), (480, 28729)]

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