20028567

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1777}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 30567376

約数和(自身を除く): 10538809

約数列:

[1, 3, 13, 17, 39, 51, 221, 289, 663, 867, 1777, 3757, 5331, 11271, 23101, 30209, 69303, 90627, 392717, 513553, 1178151, 1540659, 6676189, 20028567]

約数ペア:

[(1, 20028567), (3, 6676189), (13, 1540659), (17, 1178151), (39, 513553), (51, 392717), (221, 90627), (289, 69303), (663, 30209), (867, 23101), (1777, 11271), (3757, 5331)]