20853650

素因数分解:

$2^1\times 5^2\times {\mathrm{193}}^1\times {\mathrm{2161}}^1$

素因数の和:2366

約数の個数: 24

約数和(自身を含む): 39006804

約数和(自身を除く): 18153154

約数列:

[1, 2, 5, 10, 25, 50, 193, 386, 965, 1930, 2161, 4322, 4825, 9650, 10805, 21610, 54025, 108050, 417073, 834146, 2085365, 4170730, 10426825, 20853650]

約数ペア:

[(1, 20853650), (2, 10426825), (5, 4170730), (10, 2085365), (25, 834146), (50, 417073), (193, 108050), (386, 54025), (965, 21610), (1930, 10805), (2161, 9650), (4322, 4825)]