20985969

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{311}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 28514304

約数和(自身を除く): 7528335

約数列:

[1, 3, 83, 249, 271, 311, 813, 933, 22493, 25813, 67479, 77439, 84281, 252843, 6995323, 20985969]

約数ペア:

[(1, 20985969), (3, 6995323), (83, 252843), (249, 84281), (271, 77439), (311, 67479), (813, 25813), (933, 22493)]