20805994

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{55631}}^1$

素因数の和:55661

約数の個数: 16

約数和(自身を含む): 36049536

約数和(自身を除く): 15243542

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 55631, 111262, 611941, 945727, 1223882, 1891454, 10402997, 20805994]

約数ペア:

[(1, 20805994), (2, 10402997), (11, 1891454), (17, 1223882), (22, 945727), (34, 611941), (187, 111262), (374, 55631)]