20136490908

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{638767}}^1$

素因数の和:638882

約数の個数: 48

約数和(自身を含む): 48934738944

約数和(自身を除く): 28798248036

約数列:

[1, 2, 3, 4, 6, 12, 37, 71, 74, 111, 142, 148, 213, 222, 284, 426, 444, 852, 2627, 5254, 7881, 10508, 15762, 31524, 638767, 1277534, 1916301, 2555068, 3832602, 7665204, 23634379, 45352457, 47268758, 70903137, 90704914, 94537516, 136057371, 141806274, 181409828, 272114742, 283612548, 544229484, 1678040909, 3356081818, 5034122727, 6712163636, 10068245454, 20136490908]

約数ペア:

[(1, 20136490908), (2, 10068245454), (3, 6712163636), (4, 5034122727), (6, 3356081818), (12, 1678040909), (37, 544229484), (71, 283612548), (74, 272114742), (111, 181409828), (142, 141806274), (148, 136057371), (213, 94537516), (222, 90704914), (284, 70903137), (426, 47268758), (444, 45352457), (852, 23634379), (2627, 7665204), (5254, 3832602), (7881, 2555068), (10508, 1916301), (15762, 1277534), (31524, 638767)]