20163429552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{90787}}^1$

素因数の和:91466

約数の個数: 80

約数和(自身を含む): 59620842752

約数和(自身を除く): 39457413200

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 661, 1322, 1983, 2644, 3966, 4627, 5288, 7932, 9254, 10576, 13881, 15864, 18508, 27762, 31728, 37016, 55524, 74032, 90787, 111048, 181574, 222096, 272361, 363148, 544722, 635509, 726296, 1089444, 1271018, 1452592, 1906527, 2178888, 2542036, 3813054, 4357776, 5084072, 7626108, 10168144, 15252216, 30504432, 60010207, 120020414, 180030621, 240040828, 360061242, 420071449, 480081656, 720122484, 840142898, 960163312, 1260214347, 1440244968, 1680285796, 2520428694, 2880489936, 3360571592, 5040857388, 6721143184, 10081714776, 20163429552]

約数ペア:

[(1, 20163429552), (2, 10081714776), (3, 6721143184), (4, 5040857388), (6, 3360571592), (7, 2880489936), (8, 2520428694), (12, 1680285796), (14, 1440244968), (16, 1260214347), (21, 960163312), (24, 840142898), (28, 720122484), (42, 480081656), (48, 420071449), (56, 360061242), (84, 240040828), (112, 180030621), (168, 120020414), (336, 60010207), (661, 30504432), (1322, 15252216), (1983, 10168144), (2644, 7626108), (3966, 5084072), (4627, 4357776), (5288, 3813054), (7932, 2542036), (9254, 2178888), (10576, 1906527), (13881, 1452592), (15864, 1271018), (18508, 1089444), (27762, 726296), (31728, 635509), (37016, 544722), (55524, 363148), (74032, 272361), (90787, 222096), (111048, 181574)]