20915008

素因数分解:

$2^6\times {\mathrm{173}}^1\times {\mathrm{1889}}^1$

素因数の和:2074

約数の個数: 28

約数和(自身を含む): 41765220

約数和(自身を除く): 20850212

約数列:

[1, 2, 4, 8, 16, 32, 64, 173, 346, 692, 1384, 1889, 2768, 3778, 5536, 7556, 11072, 15112, 30224, 60448, 120896, 326797, 653594, 1307188, 2614376, 5228752, 10457504, 20915008]

約数ペア:

[(1, 20915008), (2, 10457504), (4, 5228752), (8, 2614376), (16, 1307188), (32, 653594), (64, 326797), (173, 120896), (346, 60448), (692, 30224), (1384, 15112), (1889, 11072), (2768, 7556), (3778, 5536)]