20191070879

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{1291}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 25133224320

約数和(自身を除く): 4942153441

約数列:

[1, 7, 19, 49, 107, 133, 157, 749, 931, 1099, 1291, 2033, 2983, 5243, 7693, 9037, 14231, 16799, 20881, 24529, 63259, 99617, 117593, 138137, 146167, 171703, 202687, 319181, 823151, 966959, 1201921, 1418809, 2234267, 2624603, 3851053, 6768713, 9931663, 15639869, 18372221, 21687509, 26957371, 128605547, 151812563, 188701597, 412062671, 1062687941, 2884438697, 20191070879]

約数ペア:

[(1, 20191070879), (7, 2884438697), (19, 1062687941), (49, 412062671), (107, 188701597), (133, 151812563), (157, 128605547), (749, 26957371), (931, 21687509), (1099, 18372221), (1291, 15639869), (2033, 9931663), (2983, 6768713), (5243, 3851053), (7693, 2624603), (9037, 2234267), (14231, 1418809), (16799, 1201921), (20881, 966959), (24529, 823151), (63259, 319181), (99617, 202687), (117593, 171703), (138137, 146167)]