20425350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{12379}}^1$

素因数の和:12405

約数の個数: 48

約数和(自身を含む): 55264320

約数和(自身を除く): 34838970

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 75, 110, 150, 165, 275, 330, 550, 825, 1650, 12379, 24758, 37137, 61895, 74274, 123790, 136169, 185685, 272338, 309475, 371370, 408507, 618950, 680845, 817014, 928425, 1361690, 1856850, 2042535, 3404225, 4085070, 6808450, 10212675, 20425350]

約数ペア:

[(1, 20425350), (2, 10212675), (3, 6808450), (5, 4085070), (6, 3404225), (10, 2042535), (11, 1856850), (15, 1361690), (22, 928425), (25, 817014), (30, 680845), (33, 618950), (50, 408507), (55, 371370), (66, 309475), (75, 272338), (110, 185685), (150, 136169), (165, 123790), (275, 74274), (330, 61895), (550, 37137), (825, 24758), (1650, 12379)]