20519051

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{641}}^1$

素因数の和:934

約数の個数: 16

約数和(自身を含む): 24960960

約数和(自身を除く): 4441909

約数列:

[1, 7, 17, 119, 269, 641, 1883, 4487, 4573, 10897, 32011, 76279, 172429, 1207003, 2931293, 20519051]

約数ペア:

[(1, 20519051), (7, 2931293), (17, 1207003), (119, 172429), (269, 76279), (641, 32011), (1883, 10897), (4487, 4573)]