20510385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{853}}^1$

素因数の和:1097

約数の個数: 32

約数和(自身を含む): 37712640

約数和(自身を除く): 17202255

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 229, 687, 853, 1145, 1603, 2559, 3435, 4265, 4809, 5971, 8015, 12795, 17913, 24045, 29855, 89565, 195337, 586011, 976685, 1367359, 2930055, 4102077, 6836795, 20510385]

約数ペア:

[(1, 20510385), (3, 6836795), (5, 4102077), (7, 2930055), (15, 1367359), (21, 976685), (35, 586011), (105, 195337), (229, 89565), (687, 29855), (853, 24045), (1145, 17913), (1603, 12795), (2559, 8015), (3435, 5971), (4265, 4809)]