20719072

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{5351}}^1$

素因数の和:5383

約数の個数: 36

約数和(自身を含む): 44844408

約数和(自身を除く): 24125336

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 5351, 10702, 21404, 42808, 58861, 85616, 117722, 171232, 235444, 470888, 647471, 941776, 1294942, 1883552, 2589884, 5179768, 10359536, 20719072]

約数ペア:

[(1, 20719072), (2, 10359536), (4, 5179768), (8, 2589884), (11, 1883552), (16, 1294942), (22, 941776), (32, 647471), (44, 470888), (88, 235444), (121, 171232), (176, 117722), (242, 85616), (352, 58861), (484, 42808), (968, 21404), (1936, 10702), (3872, 5351)]