20834876

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4177}}^1$

素因数の和:4253

約数の個数: 24

約数和(自身を含む): 38604720

約数和(自身を除く): 17769844

約数列:

[1, 2, 4, 29, 43, 58, 86, 116, 172, 1247, 2494, 4177, 4988, 8354, 16708, 121133, 179611, 242266, 359222, 484532, 718444, 5208719, 10417438, 20834876]

約数ペア:

[(1, 20834876), (2, 10417438), (4, 5208719), (29, 718444), (43, 484532), (58, 359222), (86, 242266), (116, 179611), (172, 121133), (1247, 16708), (2494, 8354), (4177, 4988)]