20183217

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{1669}}^1$

素因数の和:1840

約数の個数: 16

約数和(自身を含む): 28056000

約数和(自身を除く): 7872783

約数列:

[1, 3, 29, 87, 139, 417, 1669, 4031, 5007, 12093, 48401, 145203, 231991, 695973, 6727739, 20183217]

約数ペア:

[(1, 20183217), (3, 6727739), (29, 695973), (87, 231991), (139, 145203), (417, 48401), (1669, 12093), (4031, 5007)]