20729288161

素因数分解:

${\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1\times {\mathrm{2819}}^1$

素因数の和:3408

約数の個数: 16

約数和(自身を含む): 21061339200

約数和(自身を除く): 332051039

約数列:

[1, 163, 197, 229, 2819, 32111, 37327, 45113, 459497, 555343, 645551, 7353419, 90520909, 105224813, 127173547, 20729288161]

約数ペア:

[(1, 20729288161), (163, 127173547), (197, 105224813), (229, 90520909), (2819, 7353419), (32111, 645551), (37327, 555343), (45113, 459497)]