20709754

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{1523}}^1$

素因数の和:2061

約数の個数: 16

約数和(自身を含む): 33540192

約数和(自身を除く): 12830438

約数列:

[1, 2, 13, 26, 523, 1046, 1523, 3046, 6799, 13598, 19799, 39598, 796529, 1593058, 10354877, 20709754]

約数ペア:

[(1, 20709754), (2, 10354877), (13, 1593058), (26, 796529), (523, 39598), (1046, 19799), (1523, 13598), (3046, 6799)]