About the Number
20409120
2進数表記:1001101110110101100100000
漢数字表記:二千四十万九千百二十
素因数分解:
素因数の和:14194
約数の個数: 72
約数和(自身を含む): 69651036
約数和(自身を除く): 49241916
約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14173, 28346, 42519, 56692, 70865, 85038, 113384, 127557, 141730, 170076, 212595, 226768, 255114, 283460, 340152, 425190, 453536, 510228, 566920, 637785, 680304, 850380, 1020456, 1133840, 1275570, 1360608, 1700760, 2040912, 2267680, 2551140, 3401520, 4081824, 5102280, 6803040, 10204560, 20409120]
約数ペア:
[(1, 20409120), (2, 10204560), (3, 6803040), (4, 5102280), (5, 4081824), (6, 3401520), (8, 2551140), (9, 2267680), (10, 2040912), (12, 1700760), (15, 1360608), (16, 1275570), (18, 1133840), (20, 1020456), (24, 850380), (30, 680304), (32, 637785), (36, 566920), (40, 510228), (45, 453536), (48, 425190), (60, 340152), (72, 283460), (80, 255114), (90, 226768), (96, 212595), (120, 170076), (144, 141730), (160, 127557), (180, 113384), (240, 85038), (288, 70865), (360, 56692), (480, 42519), (720, 28346), (1440, 14173)]このpageの処理時間: 0.0054399967193603516 seconds