20958382384

素因数分解:

$2^4\times {\mathrm{7649}}^1\times {\mathrm{171251}}^1$

素因数の和:178908

約数の個数: 20

約数和(自身を含む): 40612411800

約数和(自身を除く): 19654029416

約数列:

[1, 2, 4, 8, 16, 7649, 15298, 30596, 61192, 122384, 171251, 342502, 685004, 1370008, 2740016, 1309898899, 2619797798, 5239595596, 10479191192, 20958382384]

約数ペア:

[(1, 20958382384), (2, 10479191192), (4, 5239595596), (8, 2619797798), (16, 1309898899), (7649, 2740016), (15298, 1370008), (30596, 685004), (61192, 342502), (122384, 171251)]