20474048

素因数分解:

$2^6\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2029

約数の個数: 56

約数和(自身を含む): 48475392

約数和(自身を除く): 28001344

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 161, 184, 224, 322, 368, 448, 644, 736, 1288, 1472, 1987, 2576, 3974, 5152, 7948, 10304, 13909, 15896, 27818, 31792, 45701, 55636, 63584, 91402, 111272, 127168, 182804, 222544, 319907, 365608, 445088, 639814, 731216, 890176, 1279628, 1462432, 2559256, 2924864, 5118512, 10237024, 20474048]

約数ペア:

[(1, 20474048), (2, 10237024), (4, 5118512), (7, 2924864), (8, 2559256), (14, 1462432), (16, 1279628), (23, 890176), (28, 731216), (32, 639814), (46, 445088), (56, 365608), (64, 319907), (92, 222544), (112, 182804), (161, 127168), (184, 111272), (224, 91402), (322, 63584), (368, 55636), (448, 45701), (644, 31792), (736, 27818), (1288, 15896), (1472, 13909), (1987, 10304), (2576, 7948), (3974, 5152)]