20834451

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{541}}^1$

素因数の和:947

約数の個数: 24

約数和(自身を含む): 32975280

約数和(自身を除く): 12140829

約数列:

[1, 3, 9, 11, 33, 99, 389, 541, 1167, 1623, 3501, 4279, 4869, 5951, 12837, 17853, 38511, 53559, 210449, 631347, 1894041, 2314939, 6944817, 20834451]

約数ペア:

[(1, 20834451), (3, 6944817), (9, 2314939), (11, 1894041), (33, 631347), (99, 210449), (389, 53559), (541, 38511), (1167, 17853), (1623, 12837), (3501, 5951), (4279, 4869)]