20597528

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3571}}^1$

素因数の和:3687

約数の個数: 32

約数和(自身を含む): 44578560

約数和(自身を除く): 23981032

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3571, 5768, 7142, 14284, 24997, 28568, 49994, 99988, 199976, 367813, 735626, 1471252, 2574691, 2942504, 5149382, 10298764, 20597528]

約数ペア:

[(1, 20597528), (2, 10298764), (4, 5149382), (7, 2942504), (8, 2574691), (14, 1471252), (28, 735626), (56, 367813), (103, 199976), (206, 99988), (412, 49994), (721, 28568), (824, 24997), (1442, 14284), (2884, 7142), (3571, 5768)]