20662005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15137}}^1$

素因数の和:15165

約数の個数: 32

約数和(自身を含む): 40690944

約数和(自身を除く): 20028939

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15137, 45411, 75685, 105959, 196781, 227055, 317877, 529795, 590343, 983905, 1377467, 1589385, 2951715, 4132401, 6887335, 20662005]

約数ペア:

[(1, 20662005), (3, 6887335), (5, 4132401), (7, 2951715), (13, 1589385), (15, 1377467), (21, 983905), (35, 590343), (39, 529795), (65, 317877), (91, 227055), (105, 196781), (195, 105959), (273, 75685), (455, 45411), (1365, 15137)]