20398894

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{13093}}^1$

素因数の和:13155

約数の個数: 16

約数和(自身を含む): 32996880

約数和(自身を除く): 12597986

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 13093, 26186, 248767, 497534, 536813, 1073626, 10199447, 20398894]

約数ペア:

[(1, 20398894), (2, 10199447), (19, 1073626), (38, 536813), (41, 497534), (82, 248767), (779, 26186), (1558, 13093)]