20073392

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 40085232

約数和(自身を除く): 20011840

約数列:

[1, 2, 4, 8, 16, 61, 122, 131, 157, 244, 262, 314, 488, 524, 628, 976, 1048, 1256, 2096, 2512, 7991, 9577, 15982, 19154, 20567, 31964, 38308, 41134, 63928, 76616, 82268, 127856, 153232, 164536, 329072, 1254587, 2509174, 5018348, 10036696, 20073392]

約数ペア:

[(1, 20073392), (2, 10036696), (4, 5018348), (8, 2509174), (16, 1254587), (61, 329072), (122, 164536), (131, 153232), (157, 127856), (244, 82268), (262, 76616), (314, 63928), (488, 41134), (524, 38308), (628, 31964), (976, 20567), (1048, 19154), (1256, 15982), (2096, 9577), (2512, 7991)]