About the Number

20090721304

20090721303 ← → 20090721305

2進数表記:10010101101100000000001010000011000

漢数字表記:二百億九千七十二万千三百四

素因数分解:

2 3 × 31 1 × 67 1 × 313 1 × 3863 1

素因数の和:4280
約数の個数: 64
約数和(自身を含む): 39601981440
約数和(自身を除く): 19511260136

約数列:
[1, 2, 4, 8, 31, 62, 67, 124, 134, 248, 268, 313, 536, 626, 1252, 2077, 2504, 3863, 4154, 7726, 8308, 9703, 15452, 16616, 19406, 20971, 30904, 38812, 41942, 77624, 83884, 119753, 167768, 239506, 258821, 479012, 517642, 650101, 958024, 1035284, 1209119, 1300202, 2070568, 2418238, 2600404, 4836476, 5200808, 8023451, 9672952, 16046902, 32093804, 37482689, 64187608, 74965378, 81010973, 149930756, 162021946, 299861512, 324043892, 648087784, 2511340163, 5022680326, 10045360652, 20090721304]

約数ペア:
[(1, 20090721304), (2, 10045360652), (4, 5022680326), (8, 2511340163), (31, 648087784), (62, 324043892), (67, 299861512), (124, 162021946), (134, 149930756), (248, 81010973), (268, 74965378), (313, 64187608), (536, 37482689), (626, 32093804), (1252, 16046902), (2077, 9672952), (2504, 8023451), (3863, 5200808), (4154, 4836476), (7726, 2600404), (8308, 2418238), (9703, 2070568), (15452, 1300202), (16616, 1209119), (19406, 1035284), (20971, 958024), (30904, 650101), (38812, 517642), (41942, 479012), (77624, 258821), (83884, 239506), (119753, 167768)]

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