20426306

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1471}}^1$

素因数の和:1657

約数の個数: 16

約数和(自身を含む): 31477248

約数和(自身を除く): 11050942

約数列:

[1, 2, 53, 106, 131, 262, 1471, 2942, 6943, 13886, 77963, 155926, 192701, 385402, 10213153, 20426306]

約数ペア:

[(1, 20426306), (2, 10213153), (53, 385402), (106, 192701), (131, 155926), (262, 77963), (1471, 13886), (2942, 6943)]