16423780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20029}}^1$

素因数の和:20079

約数の個数: 24

約数和(自身を含む): 35332920

約数和(自身を除く): 18909140

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 20029, 40058, 80116, 100145, 200290, 400580, 821189, 1642378, 3284756, 4105945, 8211890, 16423780]

約数ペア:

[(1, 16423780), (2, 8211890), (4, 4105945), (5, 3284756), (10, 1642378), (20, 821189), (41, 400580), (82, 200290), (164, 100145), (205, 80116), (410, 40058), (820, 20029)]