20320852013

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{39799}}^1$

素因数の和:40185

約数の個数: 32

約数和(自身を含む): 26745600000

約数和(自身を除く): 6424747987

約数列:

[1, 7, 11, 19, 77, 133, 209, 349, 1463, 2443, 3839, 6631, 26873, 39799, 46417, 72941, 278593, 437789, 510587, 756181, 3064523, 5293267, 8317991, 13889851, 58225937, 97228957, 152788361, 263907169, 1069518527, 1847350183, 2902978859, 20320852013]

約数ペア:

[(1, 20320852013), (7, 2902978859), (11, 1847350183), (19, 1069518527), (77, 263907169), (133, 152788361), (209, 97228957), (349, 58225937), (1463, 13889851), (2443, 8317991), (3839, 5293267), (6631, 3064523), (26873, 756181), (39799, 510587), (46417, 437789), (72941, 278593)]