About the Number
20971216
2進数表記:1001111111111111011010000
漢数字表記:二千九十七万千二百十六
素因数分解:
素因数の和:1208
約数の個数: 60
約数和(自身を含む): 49362912
約数和(自身を除く): 28391696
約数列:
[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1127, 1163, 1288, 2254, 2326, 2576, 4508, 4652, 8141, 9016, 9304, 16282, 18032, 18608, 26749, 32564, 53498, 56987, 65128, 106996, 113974, 130256, 187243, 213992, 227948, 374486, 427984, 455896, 748972, 911792, 1310701, 1497944, 2621402, 2995888, 5242804, 10485608, 20971216]
約数ペア:
[(1, 20971216), (2, 10485608), (4, 5242804), (7, 2995888), (8, 2621402), (14, 1497944), (16, 1310701), (23, 911792), (28, 748972), (46, 455896), (49, 427984), (56, 374486), (92, 227948), (98, 213992), (112, 187243), (161, 130256), (184, 113974), (196, 106996), (322, 65128), (368, 56987), (392, 53498), (644, 32564), (784, 26749), (1127, 18608), (1163, 18032), (1288, 16282), (2254, 9304), (2326, 9016), (2576, 8141), (4508, 4652)]このpageの処理時間: 0.004283428192138672 seconds