20958896

素因数分解:

$2^4\times 7^1\times {\mathrm{187133}}^1$

素因数の和:187148

約数の個数: 20

約数和(自身を含む): 46409232

約数和(自身を除く): 25450336

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 187133, 374266, 748532, 1309931, 1497064, 2619862, 2994128, 5239724, 10479448, 20958896]

約数ペア:

[(1, 20958896), (2, 10479448), (4, 5239724), (7, 2994128), (8, 2619862), (14, 1497064), (16, 1309931), (28, 748532), (56, 374266), (112, 187133)]