20774896

素因数分解:

$2^4\times {\mathrm{263}}^1\times {\mathrm{4937}}^1$

素因数の和:5208

約数の個数: 20

約数和(自身を含む): 40412592

約数和(自身を除く): 19637696

約数列:

[1, 2, 4, 8, 16, 263, 526, 1052, 2104, 4208, 4937, 9874, 19748, 39496, 78992, 1298431, 2596862, 5193724, 10387448, 20774896]

約数ペア:

[(1, 20774896), (2, 10387448), (4, 5193724), (8, 2596862), (16, 1298431), (263, 78992), (526, 39496), (1052, 19748), (2104, 9874), (4208, 4937)]