20872635278

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{509}}^1\times {\mathrm{709}}^1$

素因数の和:1481

約数の個数: 48

約数和(自身を含む): 34674696000

約数和(自身を除く): 13802060722

約数列:

[1, 2, 11, 22, 121, 239, 242, 478, 509, 709, 1018, 1418, 2629, 5258, 5599, 7799, 11198, 15598, 28919, 57838, 61589, 85789, 121651, 123178, 169451, 171578, 243302, 338902, 360881, 721762, 1338161, 1863961, 2676322, 3727922, 3969691, 7939382, 14719771, 20503571, 29439542, 41007142, 43666601, 86250559, 87333202, 172501118, 948756149, 1897512298, 10436317639, 20872635278]

約数ペア:

[(1, 20872635278), (2, 10436317639), (11, 1897512298), (22, 948756149), (121, 172501118), (239, 87333202), (242, 86250559), (478, 43666601), (509, 41007142), (709, 29439542), (1018, 20503571), (1418, 14719771), (2629, 7939382), (5258, 3969691), (5599, 3727922), (7799, 2676322), (11198, 1863961), (15598, 1338161), (28919, 721762), (57838, 360881), (61589, 338902), (85789, 243302), (121651, 171578), (123178, 169451)]