20773809

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1657}}^1$

素因数の和:1869

約数の個数: 24

約数和(自身を含む): 34486400

約数和(自身を除く): 13712591

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1657, 1791, 4179, 4971, 11599, 12537, 14913, 34797, 104391, 329743, 989229, 2308201, 2967687, 6924603, 20773809]

約数ペア:

[(1, 20773809), (3, 6924603), (7, 2967687), (9, 2308201), (21, 989229), (63, 329743), (199, 104391), (597, 34797), (1393, 14913), (1657, 12537), (1791, 11599), (4179, 4971)]