20383713

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17029}}^1$

素因数の和:17061

約数の個数: 24

約数和(自身を含む): 35422400

約数和(自身を除く): 15038687

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17029, 51087, 119203, 153261, 323551, 357609, 970653, 1072827, 2264857, 2911959, 6794571, 20383713]

約数ペア:

[(1, 20383713), (3, 6794571), (7, 2911959), (9, 2264857), (19, 1072827), (21, 970653), (57, 357609), (63, 323551), (133, 153261), (171, 119203), (399, 51087), (1197, 17029)]