About the Number
20101291725
2進数表記:10010101110001000010101111011001101
漢数字表記:二百一億百二十九万千七百二十五
素因数分解:
素因数の和:120510
約数の個数: 48
約数和(自身を含む): 35457998400
約数和(自身を除く): 15356706675
約数列:
[1, 3, 5, 15, 17, 25, 51, 75, 85, 131, 255, 393, 425, 655, 1275, 1965, 2227, 3275, 6681, 9825, 11135, 33405, 55675, 120349, 167025, 361047, 601745, 1805235, 2045933, 3008725, 6137799, 9026175, 10229665, 15765719, 30688995, 47297157, 51148325, 78828595, 153444975, 236485785, 268017223, 394142975, 804051669, 1182428925, 1340086115, 4020258345, 6700430575, 20101291725]
約数ペア:
[(1, 20101291725), (3, 6700430575), (5, 4020258345), (15, 1340086115), (17, 1182428925), (25, 804051669), (51, 394142975), (75, 268017223), (85, 236485785), (131, 153444975), (255, 78828595), (393, 51148325), (425, 47297157), (655, 30688995), (1275, 15765719), (1965, 10229665), (2227, 9026175), (3275, 6137799), (6681, 3008725), (9825, 2045933), (11135, 1805235), (33405, 601745), (55675, 361047), (120349, 167025)]このpageの処理時間: 0.6676690578460693 seconds