20490305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3617}}^1$

素因数の和:3736

約数の個数: 16

約数和(自身を含む): 27091584

約数和(自身を除く): 6601279

約数列:

[1, 5, 11, 55, 103, 515, 1133, 3617, 5665, 18085, 39787, 198935, 372551, 1862755, 4098061, 20490305]

約数ペア:

[(1, 20490305), (5, 4098061), (11, 1862755), (55, 372551), (103, 198935), (515, 39787), (1133, 18085), (3617, 5665)]