20494509

素因数分解:

$3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{2203}}^1$

素因数の和:2656

約数の個数: 16

約数和(自身を含む): 31314432

約数和(自身を除く): 10819923

約数列:

[1, 3, 7, 21, 443, 1329, 2203, 3101, 6609, 9303, 15421, 46263, 975929, 2927787, 6831503, 20494509]

約数ペア:

[(1, 20494509), (3, 6831503), (7, 2927787), (21, 975929), (443, 46263), (1329, 15421), (2203, 9303), (3101, 6609)]