20118539

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:890

約数の個数: 16

約数和(自身を含む): 23823360

約数和(自身を除く): 3704821

約数列:

[1, 7, 43, 89, 301, 623, 751, 3827, 5257, 26789, 32293, 66839, 226051, 467873, 2874077, 20118539]

約数ペア:

[(1, 20118539), (7, 2874077), (43, 467873), (89, 226051), (301, 66839), (623, 32293), (751, 26789), (3827, 5257)]