20124153

素因数分解:

$3^3\times 7^3\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 16163847

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 53, 63, 123, 147, 159, 189, 287, 343, 369, 371, 441, 477, 861, 1029, 1107, 1113, 1323, 1431, 2009, 2173, 2583, 2597, 3087, 3339, 6027, 6519, 7749, 7791, 9261, 10017, 14063, 15211, 18081, 18179, 19557, 23373, 42189, 45633, 54243, 54537, 58671, 70119, 106477, 126567, 136899, 163611, 319431, 379701, 410697, 490833, 745339, 958293, 2236017, 2874879, 6708051, 20124153]

約数ペア:

[(1, 20124153), (3, 6708051), (7, 2874879), (9, 2236017), (21, 958293), (27, 745339), (41, 490833), (49, 410697), (53, 379701), (63, 319431), (123, 163611), (147, 136899), (159, 126567), (189, 106477), (287, 70119), (343, 58671), (369, 54537), (371, 54243), (441, 45633), (477, 42189), (861, 23373), (1029, 19557), (1107, 18179), (1113, 18081), (1323, 15211), (1431, 14063), (2009, 10017), (2173, 9261), (2583, 7791), (2597, 7749), (3087, 6519), (3339, 6027)]