20199137421

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{443}}^1\times {\mathrm{6131}}^1$

素因数の和:6681

約数の個数: 32

約数和(自身を含む): 28140876288

約数和(自身を除く): 7941738867

約数列:

[1, 3, 37, 67, 111, 201, 443, 1329, 2479, 6131, 7437, 16391, 18393, 29681, 49173, 89043, 226847, 410777, 680541, 1098197, 1232331, 2716033, 3294591, 8148099, 15198749, 45596247, 100493221, 181974211, 301479663, 545922633, 6733045807, 20199137421]

約数ペア:

[(1, 20199137421), (3, 6733045807), (37, 545922633), (67, 301479663), (111, 181974211), (201, 100493221), (443, 45596247), (1329, 15198749), (2479, 8148099), (6131, 3294591), (7437, 2716033), (16391, 1232331), (18393, 1098197), (29681, 680541), (49173, 410777), (89043, 226847)]