20188844

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{9029}}^1$

素因数の和:9089

約数の個数: 24

約数和(自身を含む): 38937360

約数和(自身を除く): 18748516

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 9029, 18058, 36116, 117377, 234754, 388247, 469508, 776494, 1552988, 5047211, 10094422, 20188844]

約数ペア:

[(1, 20188844), (2, 10094422), (4, 5047211), (13, 1552988), (26, 776494), (43, 469508), (52, 388247), (86, 234754), (172, 117377), (559, 36116), (1118, 18058), (2236, 9029)]