20740868

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{353}}^1\times {\mathrm{397}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 37477272

約数和(自身を除く): 16736404

約数列:

[1, 2, 4, 37, 74, 148, 353, 397, 706, 794, 1412, 1588, 13061, 14689, 26122, 29378, 52244, 58756, 140141, 280282, 560564, 5185217, 10370434, 20740868]

約数ペア:

[(1, 20740868), (2, 10370434), (4, 5185217), (37, 560564), (74, 280282), (148, 140141), (353, 58756), (397, 52244), (706, 29378), (794, 26122), (1412, 14689), (1588, 13061)]