20692288

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:231

約数の個数: 56

約数和(自身を含む): 43005248

約数和(自身を除く): 22312960

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 73, 86, 103, 146, 172, 206, 292, 344, 412, 584, 688, 824, 1168, 1376, 1648, 2336, 2752, 3139, 3296, 4429, 4672, 6278, 6592, 7519, 8858, 12556, 15038, 17716, 25112, 30076, 35432, 50224, 60152, 70864, 100448, 120304, 141728, 200896, 240608, 283456, 323317, 481216, 646634, 1293268, 2586536, 5173072, 10346144, 20692288]

約数ペア:

[(1, 20692288), (2, 10346144), (4, 5173072), (8, 2586536), (16, 1293268), (32, 646634), (43, 481216), (64, 323317), (73, 283456), (86, 240608), (103, 200896), (146, 141728), (172, 120304), (206, 100448), (292, 70864), (344, 60152), (412, 50224), (584, 35432), (688, 30076), (824, 25112), (1168, 17716), (1376, 15038), (1648, 12556), (2336, 8858), (2752, 7519), (3139, 6592), (3296, 6278), (4429, 4672)]