20590318

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 36241920

約数和(自身を除く): 15651602

約数列:

[1, 2, 7, 14, 103, 109, 131, 206, 218, 262, 721, 763, 917, 1442, 1526, 1834, 11227, 13493, 14279, 22454, 26986, 28558, 78589, 94451, 99953, 157178, 188902, 199906, 1470737, 2941474, 10295159, 20590318]

約数ペア:

[(1, 20590318), (2, 10295159), (7, 2941474), (14, 1470737), (103, 199906), (109, 188902), (131, 157178), (206, 99953), (218, 94451), (262, 78589), (721, 28558), (763, 26986), (917, 22454), (1442, 14279), (1526, 13493), (1834, 11227)]