20012818864

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2447}}^1\times {\mathrm{26903}}^1$

素因数の和:29377

約数の個数: 40

約数和(自身を含む): 40833815040

約数和(自身を除く): 20820996176

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2447, 4894, 9788, 19576, 26903, 39152, 46493, 53806, 92986, 107612, 185972, 215224, 371944, 430448, 511157, 743888, 1022314, 2044628, 4089256, 8178512, 65831641, 131663282, 263326564, 526653128, 1053306256, 1250801179, 2501602358, 5003204716, 10006409432, 20012818864]

約数ペア:

[(1, 20012818864), (2, 10006409432), (4, 5003204716), (8, 2501602358), (16, 1250801179), (19, 1053306256), (38, 526653128), (76, 263326564), (152, 131663282), (304, 65831641), (2447, 8178512), (4894, 4089256), (9788, 2044628), (19576, 1022314), (26903, 743888), (39152, 511157), (46493, 430448), (53806, 371944), (92986, 215224), (107612, 185972)]