20512954945

素因数分解:

$5^1\times 7^1\times {\mathrm{5107}}^1\times {\mathrm{114761}}^1$

素因数の和:119880

約数の個数: 16

約数和(自身を含む): 28137806208

約数和(自身を除く): 7624851263

約数列:

[1, 5, 7, 35, 5107, 25535, 35749, 114761, 178745, 573805, 803327, 4016635, 586084427, 2930422135, 4102590989, 20512954945]

約数ペア:

[(1, 20512954945), (5, 4102590989), (7, 2930422135), (35, 586084427), (5107, 4016635), (25535, 803327), (35749, 573805), (114761, 178745)]