About the Number

20748480

20748479 ← → 20748481

2進数表記:1001111001001100011000000

漢数字表記:二千七十四万八千四百八十

素因数分解:

2 6 × 3 1 × 5 1 × 21613 1

素因数の和:21633
約数の個数: 56
約数和(自身を含む): 65879472
約数和(自身を除く): 45130992

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 21613, 43226, 64839, 86452, 108065, 129678, 172904, 216130, 259356, 324195, 345808, 432260, 518712, 648390, 691616, 864520, 1037424, 1296780, 1383232, 1729040, 2074848, 2593560, 3458080, 4149696, 5187120, 6916160, 10374240, 20748480]

約数ペア:
[(1, 20748480), (2, 10374240), (3, 6916160), (4, 5187120), (5, 4149696), (6, 3458080), (8, 2593560), (10, 2074848), (12, 1729040), (15, 1383232), (16, 1296780), (20, 1037424), (24, 864520), (30, 691616), (32, 648390), (40, 518712), (48, 432260), (60, 345808), (64, 324195), (80, 259356), (96, 216130), (120, 172904), (160, 129678), (192, 108065), (240, 86452), (320, 64839), (480, 43226), (960, 21613)]

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