20490338

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54787}}^1$

素因数の和:54817

約数の個数: 16

約数和(自身を含む): 35502624

約数和(自身を除く): 15012286

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 54787, 109574, 602657, 931379, 1205314, 1862758, 10245169, 20490338]

約数ペア:

[(1, 20490338), (2, 10245169), (11, 1862758), (17, 1205314), (22, 931379), (34, 602657), (187, 109574), (374, 54787)]