20556766

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{7541}}^1$

素因数の和:7619

約数の個数: 16

約数和(自身を含む): 32581440

約数和(自身を除く): 12024674

約数列:

[1, 2, 29, 47, 58, 94, 1363, 2726, 7541, 15082, 218689, 354427, 437378, 708854, 10278383, 20556766]

約数ペア:

[(1, 20556766), (2, 10278383), (29, 708854), (47, 437378), (58, 354427), (94, 218689), (1363, 15082), (2726, 7541)]