20346776

素因数分解:

$2^3\times {\mathrm{997}}^1\times {\mathrm{2551}}^1$

素因数の和:3554

約数の個数: 16

約数和(自身を含む): 38203440

約数和(自身を除く): 17856664

約数列:

[1, 2, 4, 8, 997, 1994, 2551, 3988, 5102, 7976, 10204, 20408, 2543347, 5086694, 10173388, 20346776]

約数ペア:

[(1, 20346776), (2, 10173388), (4, 5086694), (8, 2543347), (997, 20408), (1994, 10204), (2551, 7976), (3988, 5102)]