20252841

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 32778240

約数和(自身を除く): 12525399

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 263, 399, 579, 789, 1351, 1841, 3667, 4053, 4997, 5523, 11001, 14991, 25669, 34979, 50759, 77007, 104937, 152277, 355313, 964421, 1065939, 2893263, 6750947, 20252841]

約数ペア:

[(1, 20252841), (3, 6750947), (7, 2893263), (19, 1065939), (21, 964421), (57, 355313), (133, 152277), (193, 104937), (263, 77007), (399, 50759), (579, 34979), (789, 25669), (1351, 14991), (1841, 11001), (3667, 5523), (4053, 4997)]