20661179

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1777}}^1$

素因数の和:1946

約数の個数: 16

約数和(自身を含む): 25944576

約数和(自身を除く): 5283397

約数列:

[1, 7, 11, 77, 151, 1057, 1661, 1777, 11627, 12439, 19547, 136829, 268327, 1878289, 2951597, 20661179]

約数ペア:

[(1, 20661179), (7, 2951597), (11, 1878289), (77, 268327), (151, 136829), (1057, 19547), (1661, 12439), (1777, 11627)]