About the Number
20131213905
2進数表記:10010101111111010011111001001010001
漢数字表記:二百一億三千百二十一万三千九百五
素因数分解:
素因数の和:5668
約数の個数: 80
約数和(自身を含む): 39416851584
約数和(自身を除く): 19285637679
約数列:
[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 967, 1485, 2901, 4455, 4673, 4835, 8703, 10637, 14019, 14505, 23365, 26109, 31911, 42057, 43515, 51403, 53185, 70095, 78327, 95733, 126171, 130545, 154209, 159555, 210285, 257015, 287199, 378513, 391635, 462627, 478665, 630855, 771045, 861597, 1387881, 1435995, 1892565, 2313135, 4163643, 4307985, 4518791, 6939405, 13556373, 20818215, 22593955, 40669119, 49706701, 67781865, 122007357, 149120103, 203345595, 248533505, 366022071, 447360309, 610036785, 745600515, 1342080927, 1830110355, 2236801545, 4026242781, 6710404635, 20131213905]
約数ペア:
[(1, 20131213905), (3, 6710404635), (5, 4026242781), (9, 2236801545), (11, 1830110355), (15, 1342080927), (27, 745600515), (33, 610036785), (45, 447360309), (55, 366022071), (81, 248533505), (99, 203345595), (135, 149120103), (165, 122007357), (297, 67781865), (405, 49706701), (495, 40669119), (891, 22593955), (967, 20818215), (1485, 13556373), (2901, 6939405), (4455, 4518791), (4673, 4307985), (4835, 4163643), (8703, 2313135), (10637, 1892565), (14019, 1435995), (14505, 1387881), (23365, 861597), (26109, 771045), (31911, 630855), (42057, 478665), (43515, 462627), (51403, 391635), (53185, 378513), (70095, 287199), (78327, 257015), (95733, 210285), (126171, 159555), (130545, 154209)]このpageの処理時間: 0.19135642051696777 seconds