20735242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15451}}^1$

素因数の和:15525

約数の個数: 16

約数和(自身を含む): 34488864

約数和(自身を除く): 13753622

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15451, 30902, 169961, 339922, 942511, 1885022, 10367621, 20735242]

約数ペア:

[(1, 20735242), (2, 10367621), (11, 1885022), (22, 942511), (61, 339922), (122, 169961), (671, 30902), (1342, 15451)]