About the Number

20571002001

20571002000 ← → 20571002002

2進数表記:10011001010001000001001010010010001

漢数字表記:二百五億七千百万二千一

素因数分解:

3 3 × 11 2 × 61 1 × 109 1 × 947 1

素因数の和:1148
約数の個数: 96
約数和(自身を含む): 34395715200
約数和(自身を除く): 13824713199

約数列:
[1, 3, 9, 11, 27, 33, 61, 99, 109, 121, 183, 297, 327, 363, 549, 671, 947, 981, 1089, 1199, 1647, 2013, 2841, 2943, 3267, 3597, 6039, 6649, 7381, 8523, 10417, 10791, 13189, 18117, 19947, 22143, 25569, 31251, 32373, 39567, 57767, 59841, 66429, 73139, 93753, 103223, 114587, 118701, 173301, 179523, 199287, 219417, 281259, 309669, 343761, 356103, 519903, 635437, 658251, 804529, 929007, 1031283, 1135453, 1559709, 1906311, 1974753, 2413587, 2787021, 3093849, 3406359, 5718933, 6296603, 6989807, 7240761, 10219077, 12489983, 17156799, 18889809, 20969421, 21722283, 30657231, 37469949, 56669427, 62908263, 69262633, 112409847, 170008281, 188724789, 207787899, 337229541, 623363697, 761888963, 1870091091, 2285666889, 6857000667, 20571002001]

約数ペア:
[(1, 20571002001), (3, 6857000667), (9, 2285666889), (11, 1870091091), (27, 761888963), (33, 623363697), (61, 337229541), (99, 207787899), (109, 188724789), (121, 170008281), (183, 112409847), (297, 69262633), (327, 62908263), (363, 56669427), (549, 37469949), (671, 30657231), (947, 21722283), (981, 20969421), (1089, 18889809), (1199, 17156799), (1647, 12489983), (2013, 10219077), (2841, 7240761), (2943, 6989807), (3267, 6296603), (3597, 5718933), (6039, 3406359), (6649, 3093849), (7381, 2787021), (8523, 2413587), (10417, 1974753), (10791, 1906311), (13189, 1559709), (18117, 1135453), (19947, 1031283), (22143, 929007), (25569, 804529), (31251, 658251), (32373, 635437), (39567, 519903), (57767, 356103), (59841, 343761), (66429, 309669), (73139, 281259), (93753, 219417), (103223, 199287), (114587, 179523), (118701, 173301)]

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