20461276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{3121}}^1$

素因数の和:3285

約数の個数: 24

約数和(自身を含む): 39337200

約数和(自身を除く): 18875924

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 3121, 3278, 6242, 6556, 12484, 34331, 68662, 137324, 465029, 930058, 1860116, 5115319, 10230638, 20461276]

約数ペア:

[(1, 20461276), (2, 10230638), (4, 5115319), (11, 1860116), (22, 930058), (44, 465029), (149, 137324), (298, 68662), (596, 34331), (1639, 12484), (3121, 6556), (3278, 6242)]