20513648

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7411}}^1$

素因数の和:7592

約数の個数: 20

約数和(自身を含む): 39980328

約数和(自身を除く): 19466680

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7411, 14822, 29644, 59288, 118576, 1282103, 2564206, 5128412, 10256824, 20513648]

約数ペア:

[(1, 20513648), (2, 10256824), (4, 5128412), (8, 2564206), (16, 1282103), (173, 118576), (346, 59288), (692, 29644), (1384, 14822), (2768, 7411)]