20809785561

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{25603}}^1\times {\mathrm{15937}}^1$

素因数の和:41560

約数の個数: 16

約数和(自身を含む): 29381511744

約数和(自身を除く): 8571726183

約数列:

[1, 3, 17, 51, 15937, 25603, 47811, 76809, 270929, 435251, 812787, 1305753, 408035011, 1224105033, 6936595187, 20809785561]

約数ペア:

[(1, 20809785561), (3, 6936595187), (17, 1224105033), (51, 408035011), (15937, 1305753), (25603, 812787), (47811, 435251), (76809, 270929)]