About the Number

20724660

20724659 ← → 20724661

2進数表記:1001111000011101110110100

漢数字表記:二千七十二万四千六百六十

素因数分解:

2 2 × 3 4 × 5 1 × 11 1 × 1163 1

素因数の和:1195
約数の個数: 120
約数和(自身を含む): 70985376
約数和(自身を除く): 50260716

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1163, 1188, 1485, 1620, 1782, 1980, 2326, 2970, 3489, 3564, 4455, 4652, 5815, 5940, 6978, 8910, 10467, 11630, 12793, 13956, 17445, 17820, 20934, 23260, 25586, 31401, 34890, 38379, 41868, 51172, 52335, 62802, 63965, 69780, 76758, 94203, 104670, 115137, 125604, 127930, 153516, 157005, 188406, 191895, 209340, 230274, 255860, 314010, 345411, 376812, 383790, 460548, 471015, 575685, 628020, 690822, 767580, 942030, 1036233, 1151370, 1381644, 1727055, 1884060, 2072466, 2302740, 3454110, 4144932, 5181165, 6908220, 10362330, 20724660]

約数ペア:
[(1, 20724660), (2, 10362330), (3, 6908220), (4, 5181165), (5, 4144932), (6, 3454110), (9, 2302740), (10, 2072466), (11, 1884060), (12, 1727055), (15, 1381644), (18, 1151370), (20, 1036233), (22, 942030), (27, 767580), (30, 690822), (33, 628020), (36, 575685), (44, 471015), (45, 460548), (54, 383790), (55, 376812), (60, 345411), (66, 314010), (81, 255860), (90, 230274), (99, 209340), (108, 191895), (110, 188406), (132, 157005), (135, 153516), (162, 127930), (165, 125604), (180, 115137), (198, 104670), (220, 94203), (270, 76758), (297, 69780), (324, 63965), (330, 62802), (396, 52335), (405, 51172), (495, 41868), (540, 38379), (594, 34890), (660, 31401), (810, 25586), (891, 23260), (990, 20934), (1163, 17820), (1188, 17445), (1485, 13956), (1620, 12793), (1782, 11630), (1980, 10467), (2326, 8910), (2970, 6978), (3489, 5940), (3564, 5815), (4455, 4652)]

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