20851402

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{72907}}^1$

素因数の和:72933

約数の個数: 16

約数和(自身を含む): 36745632

約数和(自身を除く): 15894230

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 72907, 145814, 801977, 947791, 1603954, 1895582, 10425701, 20851402]

約数ペア:

[(1, 20851402), (2, 10425701), (11, 1895582), (13, 1603954), (22, 947791), (26, 801977), (143, 145814), (286, 72907)]