20654491

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3359}}^1$

素因数の和:3426

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 4182629

約数列:

[1, 11, 13, 43, 143, 473, 559, 3359, 6149, 36949, 43667, 144437, 480337, 1588807, 1877681, 20654491]

約数ペア:

[(1, 20654491), (11, 1877681), (13, 1588807), (43, 480337), (143, 144437), (473, 43667), (559, 36949), (3359, 6149)]