20189791232

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1516661}}^1$

素因数の和:1516694

約数の個数: 44

約数和(自身を含む): 43464499596

約数和(自身を除く): 23274708364

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1664, 3328, 6656, 13312, 1516661, 3033322, 6066644, 12133288, 19716593, 24266576, 39433186, 48533152, 78866372, 97066304, 157732744, 194132608, 315465488, 388265216, 630930976, 776530432, 1261861952, 1553060864, 2523723904, 5047447808, 10094895616, 20189791232]

約数ペア:

[(1, 20189791232), (2, 10094895616), (4, 5047447808), (8, 2523723904), (13, 1553060864), (16, 1261861952), (26, 776530432), (32, 630930976), (52, 388265216), (64, 315465488), (104, 194132608), (128, 157732744), (208, 97066304), (256, 78866372), (416, 48533152), (512, 39433186), (832, 24266576), (1024, 19716593), (1664, 12133288), (3328, 6066644), (6656, 3033322), (13312, 1516661)]