20270556

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{3779}}^1$

素因数の和:3938

約数の個数: 36

約数和(自身を含む): 51597000

約数和(自身を除く): 31326444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 298, 447, 596, 894, 1341, 1788, 2682, 3779, 5364, 7558, 11337, 15116, 22674, 34011, 45348, 68022, 136044, 563071, 1126142, 1689213, 2252284, 3378426, 5067639, 6756852, 10135278, 20270556]

約数ペア:

[(1, 20270556), (2, 10135278), (3, 6756852), (4, 5067639), (6, 3378426), (9, 2252284), (12, 1689213), (18, 1126142), (36, 563071), (149, 136044), (298, 68022), (447, 45348), (596, 34011), (894, 22674), (1341, 15116), (1788, 11337), (2682, 7558), (3779, 5364)]