20097770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:675

約数の個数: 64

約数和(自身を含む): 46227456

約数和(自身を除く): 26129686

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 43, 55, 70, 77, 86, 110, 154, 215, 301, 385, 430, 473, 602, 607, 770, 946, 1214, 1505, 2365, 3010, 3035, 3311, 4249, 4730, 6070, 6622, 6677, 8498, 13354, 16555, 21245, 26101, 33110, 33385, 42490, 46739, 52202, 66770, 93478, 130505, 182707, 233695, 261010, 287111, 365414, 467390, 574222, 913535, 1435555, 1827070, 2009777, 2871110, 4019554, 10048885, 20097770]

約数ペア:

[(1, 20097770), (2, 10048885), (5, 4019554), (7, 2871110), (10, 2009777), (11, 1827070), (14, 1435555), (22, 913535), (35, 574222), (43, 467390), (55, 365414), (70, 287111), (77, 261010), (86, 233695), (110, 182707), (154, 130505), (215, 93478), (301, 66770), (385, 52202), (430, 46739), (473, 42490), (602, 33385), (607, 33110), (770, 26101), (946, 21245), (1214, 16555), (1505, 13354), (2365, 8498), (3010, 6677), (3035, 6622), (3311, 6070), (4249, 4730)]