20316191

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{373}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 24127488

約数和(自身を除く): 3811297

約数列:

[1, 7, 31, 217, 251, 373, 1757, 2611, 7781, 11563, 54467, 80941, 93623, 655361, 2902313, 20316191]

約数ペア:

[(1, 20316191), (7, 2902313), (31, 655361), (217, 93623), (251, 80941), (373, 54467), (1757, 11563), (2611, 7781)]