20424964

素因数分解:

$2^2\times 7^3\times {\mathrm{14887}}^1$

素因数の和:14912

約数の個数: 24

約数和(自身を含む): 41686400

約数和(自身を除く): 21261436

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 14887, 29774, 59548, 104209, 208418, 416836, 729463, 1458926, 2917852, 5106241, 10212482, 20424964]

約数ペア:

[(1, 20424964), (2, 10212482), (4, 5106241), (7, 2917852), (14, 1458926), (28, 729463), (49, 416836), (98, 208418), (196, 104209), (343, 59548), (686, 29774), (1372, 14887)]