20342938

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 18956966

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 113, 154, 167, 226, 334, 539, 791, 1078, 1169, 1243, 1582, 1837, 2338, 2486, 3674, 5537, 8183, 8701, 11074, 12859, 16366, 17402, 18871, 25718, 37742, 60907, 90013, 121814, 132097, 180026, 207581, 264194, 415162, 924679, 1453067, 1849358, 2906134, 10171469, 20342938]

約数ペア:

[(1, 20342938), (2, 10171469), (7, 2906134), (11, 1849358), (14, 1453067), (22, 924679), (49, 415162), (77, 264194), (98, 207581), (113, 180026), (154, 132097), (167, 121814), (226, 90013), (334, 60907), (539, 37742), (791, 25718), (1078, 18871), (1169, 17402), (1243, 16366), (1582, 12859), (1837, 11074), (2338, 8701), (2486, 8183), (3674, 5537)]