20215820416

素因数分解:

$2^7\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{22123}}^1$

素因数の和:22218

約数の個数: 96

約数和(自身を含む): 45020127600

約数和(自身を除く): 24804307184

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 59, 64, 88, 118, 121, 128, 176, 236, 242, 352, 472, 484, 649, 704, 944, 968, 1298, 1408, 1888, 1936, 2596, 3776, 3872, 5192, 7139, 7552, 7744, 10384, 14278, 15488, 20768, 22123, 28556, 41536, 44246, 57112, 83072, 88492, 114224, 176984, 228448, 243353, 353968, 456896, 486706, 707936, 913792, 973412, 1305257, 1415872, 1946824, 2610514, 2676883, 2831744, 3893648, 5221028, 5353766, 7787296, 10442056, 10707532, 14357827, 15574592, 20884112, 21415064, 28715654, 31149184, 41768224, 42830128, 57431308, 83536448, 85660256, 114862616, 157936097, 167072896, 171320512, 229725232, 315872194, 342641024, 459450464, 631744388, 918900928, 1263488776, 1837801856, 2526977552, 5053955104, 10107910208, 20215820416]

約数ペア:

[(1, 20215820416), (2, 10107910208), (4, 5053955104), (8, 2526977552), (11, 1837801856), (16, 1263488776), (22, 918900928), (32, 631744388), (44, 459450464), (59, 342641024), (64, 315872194), (88, 229725232), (118, 171320512), (121, 167072896), (128, 157936097), (176, 114862616), (236, 85660256), (242, 83536448), (352, 57431308), (472, 42830128), (484, 41768224), (649, 31149184), (704, 28715654), (944, 21415064), (968, 20884112), (1298, 15574592), (1408, 14357827), (1888, 10707532), (1936, 10442056), (2596, 7787296), (3776, 5353766), (3872, 5221028), (5192, 3893648), (7139, 2831744), (7552, 2676883), (7744, 2610514), (10384, 1946824), (14278, 1415872), (15488, 1305257), (20768, 973412), (22123, 913792), (28556, 707936), (41536, 486706), (44246, 456896), (57112, 353968), (83072, 243353), (88492, 228448), (114224, 176984)]