20065556

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23117}}^1$

素因数の和:23159

約数の個数: 24

約数和(自身を含む): 41427456

約数和(自身を除く): 21361900

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23117, 46234, 92468, 161819, 323638, 647276, 716627, 1433254, 2866508, 5016389, 10032778, 20065556]

約数ペア:

[(1, 20065556), (2, 10032778), (4, 5016389), (7, 2866508), (14, 1433254), (28, 716627), (31, 647276), (62, 323638), (124, 161819), (217, 92468), (434, 46234), (868, 23117)]