20882463

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 33792000

約数和(自身を除く): 12909537

約数列:

[1, 3, 7, 19, 21, 57, 133, 199, 263, 399, 597, 789, 1393, 1841, 3781, 4179, 4997, 5523, 11343, 14991, 26467, 34979, 52337, 79401, 104937, 157011, 366359, 994403, 1099077, 2983209, 6960821, 20882463]

約数ペア:

[(1, 20882463), (3, 6960821), (7, 2983209), (19, 1099077), (21, 994403), (57, 366359), (133, 157011), (199, 104937), (263, 79401), (399, 52337), (597, 34979), (789, 26467), (1393, 14991), (1841, 11343), (3781, 5523), (4179, 4997)]