20245456

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16433}}^1$

素因数の和:16459

約数の個数: 40

約数和(自身を含む): 48907584

約数和(自身を除く): 28662128

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16433, 32866, 65732, 115031, 131464, 180763, 230062, 262928, 361526, 460124, 723052, 920248, 1265341, 1446104, 1840496, 2530682, 2892208, 5061364, 10122728, 20245456]

約数ペア:

[(1, 20245456), (2, 10122728), (4, 5061364), (7, 2892208), (8, 2530682), (11, 1840496), (14, 1446104), (16, 1265341), (22, 920248), (28, 723052), (44, 460124), (56, 361526), (77, 262928), (88, 230062), (112, 180763), (154, 131464), (176, 115031), (308, 65732), (616, 32866), (1232, 16433)]