20850270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2309}}^1$

素因数の和:2369

約数の個数: 64

約数和(自身を含む): 58544640

約数和(自身を除く): 37694370

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2309, 3010, 4515, 4618, 6927, 9030, 11545, 13854, 16163, 23090, 32326, 34635, 48489, 69270, 80815, 96978, 99287, 161630, 198574, 242445, 297861, 484890, 496435, 595722, 695009, 992870, 1390018, 1489305, 2085027, 2978610, 3475045, 4170054, 6950090, 10425135, 20850270]

約数ペア:

[(1, 20850270), (2, 10425135), (3, 6950090), (5, 4170054), (6, 3475045), (7, 2978610), (10, 2085027), (14, 1489305), (15, 1390018), (21, 992870), (30, 695009), (35, 595722), (42, 496435), (43, 484890), (70, 297861), (86, 242445), (105, 198574), (129, 161630), (210, 99287), (215, 96978), (258, 80815), (301, 69270), (430, 48489), (602, 34635), (645, 32326), (903, 23090), (1290, 16163), (1505, 13854), (1806, 11545), (2309, 9030), (3010, 6927), (4515, 4618)]