20208272

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2693}}^1$

素因数の和:2775

約数の個数: 40

約数和(自身を含む): 45431616

約数和(自身を除く): 25223344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 2693, 3752, 5386, 7504, 10772, 18851, 21544, 37702, 43088, 75404, 150808, 180431, 301616, 360862, 721724, 1263017, 1443448, 2526034, 2886896, 5052068, 10104136, 20208272]

約数ペア:

[(1, 20208272), (2, 10104136), (4, 5052068), (7, 2886896), (8, 2526034), (14, 1443448), (16, 1263017), (28, 721724), (56, 360862), (67, 301616), (112, 180431), (134, 150808), (268, 75404), (469, 43088), (536, 37702), (938, 21544), (1072, 18851), (1876, 10772), (2693, 7504), (3752, 5386)]