20997050

素因数分解:

$2^1\times 5^2\times {\mathrm{463}}^1\times {\mathrm{907}}^1$

素因数の和:1382

約数の個数: 24

約数和(自身を含む): 39182016

約数和(自身を除く): 18184966

約数列:

[1, 2, 5, 10, 25, 50, 463, 907, 926, 1814, 2315, 4535, 4630, 9070, 11575, 22675, 23150, 45350, 419941, 839882, 2099705, 4199410, 10498525, 20997050]

約数ペア:

[(1, 20997050), (2, 10498525), (5, 4199410), (10, 2099705), (25, 839882), (50, 419941), (463, 45350), (907, 23150), (926, 22675), (1814, 11575), (2315, 9070), (4535, 4630)]