20419074

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 54432000

約数和(自身を除く): 34012926

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 27, 29, 34, 39, 51, 54, 58, 59, 78, 87, 102, 117, 118, 153, 174, 177, 221, 234, 261, 306, 351, 354, 377, 442, 459, 493, 522, 531, 663, 702, 754, 767, 783, 918, 986, 1003, 1062, 1131, 1326, 1479, 1534, 1566, 1593, 1711, 1989, 2006, 2262, 2301, 2958, 3009, 3186, 3393, 3422, 3978, 4437, 4602, 5133, 5967, 6018, 6409, 6786, 6903, 8874, 9027, 10179, 10266, 11934, 12818, 13039, 13311, 13806, 15399, 18054, 19227, 20358, 20709, 22243, 26078, 26622, 27081, 29087, 30798, 38454, 39117, 41418, 44486, 46197, 54162, 57681, 58174, 66729, 78234, 87261, 92394, 115362, 117351, 133458, 173043, 174522, 200187, 234702, 261783, 346086, 352053, 378131, 400374, 523566, 600561, 704106, 756262, 785349, 1134393, 1201122, 1570698, 2268786, 3403179, 6806358, 10209537, 20419074]

約数ペア:

[(1, 20419074), (2, 10209537), (3, 6806358), (6, 3403179), (9, 2268786), (13, 1570698), (17, 1201122), (18, 1134393), (26, 785349), (27, 756262), (29, 704106), (34, 600561), (39, 523566), (51, 400374), (54, 378131), (58, 352053), (59, 346086), (78, 261783), (87, 234702), (102, 200187), (117, 174522), (118, 173043), (153, 133458), (174, 117351), (177, 115362), (221, 92394), (234, 87261), (261, 78234), (306, 66729), (351, 58174), (354, 57681), (377, 54162), (442, 46197), (459, 44486), (493, 41418), (522, 39117), (531, 38454), (663, 30798), (702, 29087), (754, 27081), (767, 26622), (783, 26078), (918, 22243), (986, 20709), (1003, 20358), (1062, 19227), (1131, 18054), (1326, 15399), (1479, 13806), (1534, 13311), (1566, 13039), (1593, 12818), (1711, 11934), (1989, 10266), (2006, 10179), (2262, 9027), (2301, 8874), (2958, 6903), (3009, 6786), (3186, 6409), (3393, 6018), (3422, 5967), (3978, 5133), (4437, 4602)]