20478208501

素因数分解:

${\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1\times {\mathrm{1373}}^1$

素因数の和:1681

約数の個数: 32

約数和(自身を含む): 22100779008

約数和(自身を除く): 1622570507

約数列:

[1, 31, 43, 67, 167, 1333, 1373, 2077, 2881, 5177, 7181, 11189, 42563, 59039, 89311, 91991, 222611, 229291, 346859, 481127, 1830209, 2851721, 3955613, 7108021, 9859513, 14914937, 15362497, 122624003, 305644903, 476237407, 660587371, 20478208501]

約数ペア:

[(1, 20478208501), (31, 660587371), (43, 476237407), (67, 305644903), (167, 122624003), (1333, 15362497), (1373, 14914937), (2077, 9859513), (2881, 7108021), (5177, 3955613), (7181, 2851721), (11189, 1830209), (42563, 481127), (59039, 346859), (89311, 229291), (91991, 222611)]