20825264

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6607}}^1$

素因数の和:6812

約数の個数: 20

約数和(自身を含む): 40559904

約数和(自身を除く): 19734640

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6607, 13214, 26428, 52856, 105712, 1301579, 2603158, 5206316, 10412632, 20825264]

約数ペア:

[(1, 20825264), (2, 10412632), (4, 5206316), (8, 2603158), (16, 1301579), (197, 105712), (394, 52856), (788, 26428), (1576, 13214), (3152, 6607)]