20187957601

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{60899}}^1$

素因数の和:61029

約数の個数: 32

約数和(自身を含む): 25256448000

約数和(自身を除く): 5068490399

約数列:

[1, 7, 23, 29, 71, 161, 203, 497, 667, 1633, 2059, 4669, 11431, 14413, 47357, 60899, 331499, 426293, 1400677, 1766071, 4323829, 9804739, 12362497, 30266803, 40619633, 99448067, 125391041, 284337431, 696136469, 877737287, 2883993943, 20187957601]

約数ペア:

[(1, 20187957601), (7, 2883993943), (23, 877737287), (29, 696136469), (71, 284337431), (161, 125391041), (203, 99448067), (497, 40619633), (667, 30266803), (1633, 12362497), (2059, 9804739), (4669, 4323829), (11431, 1766071), (14413, 1400677), (47357, 426293), (60899, 331499)]