20802754

素因数分解:

$2^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2687}}^1$

素因数の和:2782

約数の個数: 24

約数和(自身を含む): 36771840

約数和(自身を除く): 15969086

約数列:

[1, 2, 7, 14, 49, 79, 98, 158, 553, 1106, 2687, 3871, 5374, 7742, 18809, 37618, 131663, 212273, 263326, 424546, 1485911, 2971822, 10401377, 20802754]

約数ペア:

[(1, 20802754), (2, 10401377), (7, 2971822), (14, 1485911), (49, 424546), (79, 263326), (98, 212273), (158, 131663), (553, 37618), (1106, 18809), (2687, 7742), (3871, 5374)]