20775168

素因数分解:

$2^8\times 3^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 108

約数和(自身を含む): 61221888

約数和(自身を除く): 40446720

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 71, 72, 96, 127, 128, 142, 144, 192, 213, 254, 256, 284, 288, 381, 384, 426, 508, 568, 576, 639, 762, 768, 852, 1016, 1136, 1143, 1152, 1278, 1524, 1704, 2032, 2272, 2286, 2304, 2556, 3048, 3408, 4064, 4544, 4572, 5112, 6096, 6816, 8128, 9017, 9088, 9144, 10224, 12192, 13632, 16256, 18034, 18176, 18288, 20448, 24384, 27051, 27264, 32512, 36068, 36576, 40896, 48768, 54102, 54528, 72136, 73152, 81153, 81792, 97536, 108204, 144272, 146304, 162306, 163584, 216408, 288544, 292608, 324612, 432816, 577088, 649224, 865632, 1154176, 1298448, 1731264, 2308352, 2596896, 3462528, 5193792, 6925056, 10387584, 20775168]

約数ペア:

[(1, 20775168), (2, 10387584), (3, 6925056), (4, 5193792), (6, 3462528), (8, 2596896), (9, 2308352), (12, 1731264), (16, 1298448), (18, 1154176), (24, 865632), (32, 649224), (36, 577088), (48, 432816), (64, 324612), (71, 292608), (72, 288544), (96, 216408), (127, 163584), (128, 162306), (142, 146304), (144, 144272), (192, 108204), (213, 97536), (254, 81792), (256, 81153), (284, 73152), (288, 72136), (381, 54528), (384, 54102), (426, 48768), (508, 40896), (568, 36576), (576, 36068), (639, 32512), (762, 27264), (768, 27051), (852, 24384), (1016, 20448), (1136, 18288), (1143, 18176), (1152, 18034), (1278, 16256), (1524, 13632), (1704, 12192), (2032, 10224), (2272, 9144), (2286, 9088), (2304, 9017), (2556, 8128), (3048, 6816), (3408, 6096), (4064, 5112), (4544, 4572)]