20148986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70451}}^1$

素因数の和:70477

約数の個数: 16

約数和(自身を含む): 35507808

約数和(自身を除く): 15358822

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 70451, 140902, 774961, 915863, 1549922, 1831726, 10074493, 20148986]

約数ペア:

[(1, 20148986), (2, 10074493), (11, 1831726), (13, 1549922), (22, 915863), (26, 774961), (143, 140902), (286, 70451)]