20584949

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:417

約数の個数: 24

約数和(自身を含む): 26391456

約数和(自身を除く): 5806507

約数列:

[1, 7, 11, 49, 77, 181, 211, 539, 1267, 1477, 1991, 2321, 8869, 10339, 13937, 16247, 38191, 97559, 113729, 267337, 420101, 1871359, 2940707, 20584949]

約数ペア:

[(1, 20584949), (7, 2940707), (11, 1871359), (49, 420101), (77, 267337), (181, 113729), (211, 97559), (539, 38191), (1267, 16247), (1477, 13937), (1991, 10339), (2321, 8869)]