20187054951

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{284489}}^1$

素因数の和:284639

約数の個数: 32

約数和(自身を含む): 32044953600

約数和(自身を除く): 11857898649

約数列:

[1, 3, 7, 21, 31, 93, 109, 217, 327, 651, 763, 2289, 3379, 10137, 23653, 70959, 284489, 853467, 1991423, 5974269, 8819159, 26457477, 31009301, 61734113, 93027903, 185202339, 217065107, 651195321, 961288331, 2883864993, 6729018317, 20187054951]

約数ペア:

[(1, 20187054951), (3, 6729018317), (7, 2883864993), (21, 961288331), (31, 651195321), (93, 217065107), (109, 185202339), (217, 93027903), (327, 61734113), (651, 31009301), (763, 26457477), (2289, 8819159), (3379, 5974269), (10137, 1991423), (23653, 853467), (70959, 284489)]