20777504

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{881}}^1$

素因数の和:969

約数の個数: 48

約数和(自身を含む): 45341856

約数和(自身を除く): 24564352

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 67, 88, 134, 176, 268, 352, 536, 737, 881, 1072, 1474, 1762, 2144, 2948, 3524, 5896, 7048, 9691, 11792, 14096, 19382, 23584, 28192, 38764, 59027, 77528, 118054, 155056, 236108, 310112, 472216, 649297, 944432, 1298594, 1888864, 2597188, 5194376, 10388752, 20777504]

約数ペア:

[(1, 20777504), (2, 10388752), (4, 5194376), (8, 2597188), (11, 1888864), (16, 1298594), (22, 944432), (32, 649297), (44, 472216), (67, 310112), (88, 236108), (134, 155056), (176, 118054), (268, 77528), (352, 59027), (536, 38764), (737, 28192), (881, 23584), (1072, 19382), (1474, 14096), (1762, 11792), (2144, 9691), (2948, 7048), (3524, 5896)]