20411699

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4493}}^1$

素因数の和:4570

約数の個数: 16

約数和(自身を含む): 25885440

約数和(自身を除く): 5473741

約数列:

[1, 7, 11, 59, 77, 413, 649, 4493, 4543, 31451, 49423, 265087, 345961, 1855609, 2915957, 20411699]

約数ペア:

[(1, 20411699), (7, 2915957), (11, 1855609), (59, 345961), (77, 265087), (413, 49423), (649, 31451), (4493, 4543)]