20972208

素因数分解:

$2^4\times 3^1\times {\mathrm{661}}^2$

素因数の和:1333

約数の個数: 30

約数和(自身を含む): 54260292

約数和(自身を除く): 33288084

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 661, 1322, 1983, 2644, 3966, 5288, 7932, 10576, 15864, 31728, 436921, 873842, 1310763, 1747684, 2621526, 3495368, 5243052, 6990736, 10486104, 20972208]

約数ペア:

[(1, 20972208), (2, 10486104), (3, 6990736), (4, 5243052), (6, 3495368), (8, 2621526), (12, 1747684), (16, 1310763), (24, 873842), (48, 436921), (661, 31728), (1322, 15864), (1983, 10576), (2644, 7932), (3966, 5288)]