20714897212

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{977}}^1\times {\mathrm{278981}}^1$

素因数の和:279981

約数の個数: 24

約数和(自身を含む): 38198215440

約数和(自身を除く): 17483318228

約数列:

[1, 2, 4, 19, 38, 76, 977, 1954, 3908, 18563, 37126, 74252, 278981, 557962, 1115924, 5300639, 10601278, 21202556, 272564437, 545128874, 1090257748, 5178724303, 10357448606, 20714897212]

約数ペア:

[(1, 20714897212), (2, 10357448606), (4, 5178724303), (19, 1090257748), (38, 545128874), (76, 272564437), (977, 21202556), (1954, 10601278), (3908, 5300639), (18563, 1115924), (37126, 557962), (74252, 278981)]