20452964

素因数分解:

$2^2\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1129}}^1$

素因数の和:1787

約数の個数: 24

約数和(自身を含む): 41005440

約数和(自身を除く): 20552476

約数列:

[1, 2, 4, 7, 14, 28, 647, 1129, 1294, 2258, 2588, 4516, 4529, 7903, 9058, 15806, 18116, 31612, 730463, 1460926, 2921852, 5113241, 10226482, 20452964]

約数ペア:

[(1, 20452964), (2, 10226482), (4, 5113241), (7, 2921852), (14, 1460926), (28, 730463), (647, 31612), (1129, 18116), (1294, 15806), (2258, 9058), (2588, 7903), (4516, 4529)]