20393716

素因数分解:

$2^2\times 7^1\times {\mathrm{719}}^1\times {\mathrm{1013}}^1$

素因数の和:1743

約数の個数: 24

約数和(自身を含む): 40884480

約数和(自身を除く): 20490764

約数列:

[1, 2, 4, 7, 14, 28, 719, 1013, 1438, 2026, 2876, 4052, 5033, 7091, 10066, 14182, 20132, 28364, 728347, 1456694, 2913388, 5098429, 10196858, 20393716]

約数ペア:

[(1, 20393716), (2, 10196858), (4, 5098429), (7, 2913388), (14, 1456694), (28, 728347), (719, 28364), (1013, 20132), (1438, 14182), (2026, 10066), (2876, 7091), (4052, 5033)]