20185088

素因数分解:

$2^{18}\times 7^1\times {\mathrm{11}}^1$

素因数の和:54

約数の個数: 76

約数和(自身を含む): 50331552

約数和(自身を除く): 30146464

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 112, 128, 154, 176, 224, 256, 308, 352, 448, 512, 616, 704, 896, 1024, 1232, 1408, 1792, 2048, 2464, 2816, 3584, 4096, 4928, 5632, 7168, 8192, 9856, 11264, 14336, 16384, 19712, 22528, 28672, 32768, 39424, 45056, 57344, 65536, 78848, 90112, 114688, 131072, 157696, 180224, 229376, 262144, 315392, 360448, 458752, 630784, 720896, 917504, 1261568, 1441792, 1835008, 2523136, 2883584, 5046272, 10092544, 20185088]

約数ペア:

[(1, 20185088), (2, 10092544), (4, 5046272), (7, 2883584), (8, 2523136), (11, 1835008), (14, 1441792), (16, 1261568), (22, 917504), (28, 720896), (32, 630784), (44, 458752), (56, 360448), (64, 315392), (77, 262144), (88, 229376), (112, 180224), (128, 157696), (154, 131072), (176, 114688), (224, 90112), (256, 78848), (308, 65536), (352, 57344), (448, 45056), (512, 39424), (616, 32768), (704, 28672), (896, 22528), (1024, 19712), (1232, 16384), (1408, 14336), (1792, 11264), (2048, 9856), (2464, 8192), (2816, 7168), (3584, 5632), (4096, 4928)]