20687112616

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{122921}}^1$

素因数の和:123229

約数の個数: 32

約数和(自身を含む): 39347332200

約数和(自身を除く): 18660219584

約数列:

[1, 2, 4, 8, 109, 193, 218, 386, 436, 772, 872, 1544, 21037, 42074, 84148, 122921, 168296, 245842, 491684, 983368, 13398389, 23723753, 26796778, 47447506, 53593556, 94895012, 107187112, 189790024, 2585889077, 5171778154, 10343556308, 20687112616]

約数ペア:

[(1, 20687112616), (2, 10343556308), (4, 5171778154), (8, 2585889077), (109, 189790024), (193, 107187112), (218, 94895012), (386, 53593556), (436, 47447506), (772, 26796778), (872, 23723753), (1544, 13398389), (21037, 983368), (42074, 491684), (84148, 245842), (122921, 168296)]