20178026337

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{389}}^1\times {\mathrm{40493}}^1$

素因数の和:40953

約数の個数: 32

約数和(自身を含む): 31332637440

約数和(自身を除く): 11154611103

約数列:

[1, 3, 7, 21, 61, 183, 389, 427, 1167, 1281, 2723, 8169, 23729, 40493, 71187, 121479, 166103, 283451, 498309, 850353, 2470073, 7410219, 15751777, 17290511, 47255331, 51871533, 110262439, 330787317, 960858397, 2882575191, 6726008779, 20178026337]

約数ペア:

[(1, 20178026337), (3, 6726008779), (7, 2882575191), (21, 960858397), (61, 330787317), (183, 110262439), (389, 51871533), (427, 47255331), (1167, 17290511), (1281, 15751777), (2723, 7410219), (8169, 2470073), (23729, 850353), (40493, 498309), (71187, 283451), (121479, 166103)]