20217406

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{4397}}^1$

素因数の和:4440

約数の個数: 24

約数和(自身を含む): 35096040

約数和(自身を除く): 14878634

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 2299, 4397, 4598, 8794, 48367, 83543, 96734, 167086, 532037, 918973, 1064074, 1837946, 10108703, 20217406]

約数ペア:

[(1, 20217406), (2, 10108703), (11, 1837946), (19, 1064074), (22, 918973), (38, 532037), (121, 167086), (209, 96734), (242, 83543), (418, 48367), (2299, 8794), (4397, 4598)]