20420932

素因数分解:

$2^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6691}}^1$

素因数の和:6811

約数の個数: 24

約数和(自身を含む): 41222720

約数和(自身を除く): 20801788

約数列:

[1, 2, 4, 7, 14, 28, 109, 218, 436, 763, 1526, 3052, 6691, 13382, 26764, 46837, 93674, 187348, 729319, 1458638, 2917276, 5105233, 10210466, 20420932]

約数ペア:

[(1, 20420932), (2, 10210466), (4, 5105233), (7, 2917276), (14, 1458638), (28, 729319), (109, 187348), (218, 93674), (436, 46837), (763, 26764), (1526, 13382), (3052, 6691)]