20788734

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{757}}^1$

素因数の和:984

約数の個数: 32

約数和(自身を含む): 43660800

約数和(自身を除く): 22872066

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 199, 398, 597, 757, 1194, 1514, 2271, 4542, 4577, 9154, 13731, 17411, 27462, 34822, 52233, 104466, 150643, 301286, 451929, 903858, 3464789, 6929578, 10394367, 20788734]

約数ペア:

[(1, 20788734), (2, 10394367), (3, 6929578), (6, 3464789), (23, 903858), (46, 451929), (69, 301286), (138, 150643), (199, 104466), (398, 52233), (597, 34822), (757, 27462), (1194, 17411), (1514, 13731), (2271, 9154), (4542, 4577)]