20873447

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2237}}^1$

素因数の和:2318

約数の個数: 16

約数和(自身を含む): 25208832

約数和(自身を除く): 4335385

約数列:

[1, 7, 31, 43, 217, 301, 1333, 2237, 9331, 15659, 69347, 96191, 485429, 673337, 2981921, 20873447]

約数ペア:

[(1, 20873447), (7, 2981921), (31, 673337), (43, 485429), (217, 96191), (301, 69347), (1333, 15659), (2237, 9331)]