20742136

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{811}}^1$

素因数の和:979

約数の個数: 32

約数和(自身を含む): 40924800

約数和(自身を除く): 20182664

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 278, 556, 811, 1112, 1622, 3197, 3244, 6394, 6488, 12788, 18653, 25576, 37306, 74612, 112729, 149224, 225458, 450916, 901832, 2592767, 5185534, 10371068, 20742136]

約数ペア:

[(1, 20742136), (2, 10371068), (4, 5185534), (8, 2592767), (23, 901832), (46, 450916), (92, 225458), (139, 149224), (184, 112729), (278, 74612), (556, 37306), (811, 25576), (1112, 18653), (1622, 12788), (3197, 6488), (3244, 6394)]