20658550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37561}}^1$

素因数の和:37584

約数の個数: 24

約数和(自身を含む): 41919192

約数和(自身を除く): 21260642

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 37561, 75122, 187805, 375610, 413171, 826342, 939025, 1878050, 2065855, 4131710, 10329275, 20658550]

約数ペア:

[(1, 20658550), (2, 10329275), (5, 4131710), (10, 2065855), (11, 1878050), (22, 939025), (25, 826342), (50, 413171), (55, 375610), (110, 187805), (275, 75122), (550, 37561)]