20580014

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1549}}^1$

素因数の和:1644

約数の個数: 32

約数和(自身を含む): 38539200

約数和(自身を除く): 17959186

約数列:

[1, 2, 7, 13, 14, 26, 73, 91, 146, 182, 511, 949, 1022, 1549, 1898, 3098, 6643, 10843, 13286, 20137, 21686, 40274, 113077, 140959, 226154, 281918, 791539, 1470001, 1583078, 2940002, 10290007, 20580014]

約数ペア:

[(1, 20580014), (2, 10290007), (7, 2940002), (13, 1583078), (14, 1470001), (26, 791539), (73, 281918), (91, 226154), (146, 140959), (182, 113077), (511, 40274), (949, 21686), (1022, 20137), (1549, 13286), (1898, 10843), (3098, 6643)]