20394902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{5179}}^1$

素因数の和:5371

約数の個数: 16

約数和(自身を含む): 33566400

約数和(自身を除く): 13171498

約数列:

[1, 2, 11, 22, 179, 358, 1969, 3938, 5179, 10358, 56969, 113938, 927041, 1854082, 10197451, 20394902]

約数ペア:

[(1, 20394902), (2, 10197451), (11, 1854082), (22, 927041), (179, 113938), (358, 56969), (1969, 10358), (3938, 5179)]