20862646

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{733}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 38050560

約数和(自身を除く): 17187914

約数列:

[1, 2, 7, 14, 19, 38, 107, 133, 214, 266, 733, 749, 1466, 1498, 2033, 4066, 5131, 10262, 13927, 14231, 27854, 28462, 78431, 97489, 156862, 194978, 549017, 1098034, 1490189, 2980378, 10431323, 20862646]

約数ペア:

[(1, 20862646), (2, 10431323), (7, 2980378), (14, 1490189), (19, 1098034), (38, 549017), (107, 194978), (133, 156862), (214, 97489), (266, 78431), (733, 28462), (749, 27854), (1466, 14231), (1498, 13927), (2033, 10262), (4066, 5131)]