20408057835321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{81217373}}^1$

素因数の和:81217785

約数の個数: 32

約数和(自身を含む): 31109502936960

約数和(自身を除く): 10701445101639

約数列:

[1, 3, 13, 17, 39, 51, 221, 379, 663, 1137, 4927, 6443, 14781, 19329, 83759, 251277, 81217373, 243652119, 1055825849, 1380695341, 3167477547, 4142086023, 17949039433, 30781384367, 53847118299, 92344153101, 400157996771, 523283534239, 1200473990313, 1569850602717, 6802685945107, 20408057835321]

約数ペア:

[(1, 20408057835321), (3, 6802685945107), (13, 1569850602717), (17, 1200473990313), (39, 523283534239), (51, 400157996771), (221, 92344153101), (379, 53847118299), (663, 30781384367), (1137, 17949039433), (4927, 4142086023), (6443, 3167477547), (14781, 1380695341), (19329, 1055825849), (83759, 243652119), (251277, 81217373)]