20191163013

素因数分解:

$3^2\times 7^1\times {\mathrm{320494651}}^1$

素因数の和:320494664

約数の個数: 12

約数和(自身を含む): 33331443808

約数和(自身を除く): 13140280795

約数列:

[1, 3, 7, 9, 21, 63, 320494651, 961483953, 2243462557, 2884451859, 6730387671, 20191163013]

約数ペア:

[(1, 20191163013), (3, 6730387671), (7, 2884451859), (9, 2243462557), (21, 961483953), (63, 320494651)]