20701650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{4759}}^1$

素因数の和:4803

約数の個数: 48

約数和(自身を含む): 53121600

約数和(自身を除く): 32419950

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 50, 58, 75, 87, 145, 150, 174, 290, 435, 725, 870, 1450, 2175, 4350, 4759, 9518, 14277, 23795, 28554, 47590, 71385, 118975, 138011, 142770, 237950, 276022, 356925, 414033, 690055, 713850, 828066, 1380110, 2070165, 3450275, 4140330, 6900550, 10350825, 20701650]

約数ペア:

[(1, 20701650), (2, 10350825), (3, 6900550), (5, 4140330), (6, 3450275), (10, 2070165), (15, 1380110), (25, 828066), (29, 713850), (30, 690055), (50, 414033), (58, 356925), (75, 276022), (87, 237950), (145, 142770), (150, 138011), (174, 118975), (290, 71385), (435, 47590), (725, 28554), (870, 23795), (1450, 14277), (2175, 9518), (4350, 4759)]