20521318

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{691}}^1$

素因数の和:1203

約数の個数: 16

約数和(自身を含む): 31887360

約数和(自身を除く): 11366042

約数列:

[1, 2, 31, 62, 479, 691, 958, 1382, 14849, 21421, 29698, 42842, 330989, 661978, 10260659, 20521318]

約数ペア:

[(1, 20521318), (2, 10260659), (31, 661978), (62, 330989), (479, 42842), (691, 29698), (958, 21421), (1382, 14849)]