20577885412

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10351049}}^1$

素因数の和:10351131

約数の個数: 24

約数和(自身を含む): 41735433600

約数和(自身を除く): 21157548188

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 10351049, 20702098, 41404196, 72457343, 144914686, 289829372, 734924479, 1469848958, 2939697916, 5144471353, 10288942706, 20577885412]

約数ペア:

[(1, 20577885412), (2, 10288942706), (4, 5144471353), (7, 2939697916), (14, 1469848958), (28, 734924479), (71, 289829372), (142, 144914686), (284, 72457343), (497, 41404196), (994, 20702098), (1988, 10351049)]