20479565

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:596

約数の個数: 16

約数和(自身を含む): 25132800

約数和(自身を除く): 4653235

約数列:

[1, 5, 79, 139, 373, 395, 695, 1865, 10981, 29467, 51847, 54905, 147335, 259235, 4095913, 20479565]

約数ペア:

[(1, 20479565), (5, 4095913), (79, 259235), (139, 147335), (373, 54905), (395, 51847), (695, 29467), (1865, 10981)]