20675445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{883}}^1$

素因数の和:1121

約数の個数: 32

約数和(自身を含む): 38019072

約数和(自身を除く): 17343627

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 223, 669, 883, 1115, 1561, 2649, 3345, 4415, 4683, 6181, 7805, 13245, 18543, 23415, 30905, 92715, 196909, 590727, 984545, 1378363, 2953635, 4135089, 6891815, 20675445]

約数ペア:

[(1, 20675445), (3, 6891815), (5, 4135089), (7, 2953635), (15, 1378363), (21, 984545), (35, 590727), (105, 196909), (223, 92715), (669, 30905), (883, 23415), (1115, 18543), (1561, 13245), (2649, 7805), (3345, 6181), (4415, 4683)]