20329856

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2322

約数の個数: 32

約数和(自身を含む): 41089680

約数和(自身を除く): 20759824

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2237, 2272, 4474, 4544, 8948, 9088, 17896, 35792, 71584, 143168, 158827, 286336, 317654, 635308, 1270616, 2541232, 5082464, 10164928, 20329856]

約数ペア:

[(1, 20329856), (2, 10164928), (4, 5082464), (8, 2541232), (16, 1270616), (32, 635308), (64, 317654), (71, 286336), (128, 158827), (142, 143168), (284, 71584), (568, 35792), (1136, 17896), (2237, 9088), (2272, 8948), (4474, 4544)]