About the Number
20971520
2進数表記:1010000000000000000000000
漢数字表記:二千九十七万千五百二十
素因数分解:
素因数の和:49
約数の個数: 46
約数和(自身を含む): 50331642
約数和(自身を除く): 29360122
約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 8192, 10240, 16384, 20480, 32768, 40960, 65536, 81920, 131072, 163840, 262144, 327680, 524288, 655360, 1048576, 1310720, 2097152, 2621440, 4194304, 5242880, 10485760, 20971520]
約数ペア:
[(1, 20971520), (2, 10485760), (4, 5242880), (5, 4194304), (8, 2621440), (10, 2097152), (16, 1310720), (20, 1048576), (32, 655360), (40, 524288), (64, 327680), (80, 262144), (128, 163840), (160, 131072), (256, 81920), (320, 65536), (512, 40960), (640, 32768), (1024, 20480), (1280, 16384), (2048, 10240), (2560, 8192), (4096, 5120)]このpageの処理時間: 0.09615349769592285 seconds