2020004077

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2543}}^1$

素因数の和:2642

約数の個数: 48

約数和(自身を含む): 2679747840

約数和(自身を除く): 659743763

約数列:

[1, 7, 13, 29, 43, 49, 91, 203, 301, 377, 559, 637, 1247, 1421, 2107, 2543, 2639, 3913, 8729, 16211, 17801, 18473, 27391, 33059, 61103, 73747, 109349, 113477, 124607, 231413, 516229, 765443, 794339, 958711, 1421537, 1619891, 3171121, 3613603, 5358101, 6710977, 9950759, 22197847, 41224573, 46976839, 69655313, 155384929, 288572011, 2020004077]

約数ペア:

[(1, 2020004077), (7, 288572011), (13, 155384929), (29, 69655313), (43, 46976839), (49, 41224573), (91, 22197847), (203, 9950759), (301, 6710977), (377, 5358101), (559, 3613603), (637, 3171121), (1247, 1619891), (1421, 1421537), (2107, 958711), (2543, 794339), (2639, 765443), (3913, 516229), (8729, 231413), (16211, 124607), (17801, 113477), (18473, 109349), (27391, 73747), (33059, 61103)]