20658940926

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{197803}}^1$

素因数の和:197937

約数の個数: 48

約数和(自身を含む): 45175268736

約数和(自身を除く): 24516327810

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 103, 169, 206, 309, 338, 507, 618, 1014, 1339, 2678, 4017, 8034, 17407, 34814, 52221, 104442, 197803, 395606, 593409, 1186818, 2571439, 5142878, 7714317, 15428634, 20373709, 33428707, 40747418, 61121127, 66857414, 100286121, 122242254, 200572242, 264858217, 529716434, 794574651, 1589149302, 3443156821, 6886313642, 10329470463, 20658940926]

約数ペア:

[(1, 20658940926), (2, 10329470463), (3, 6886313642), (6, 3443156821), (13, 1589149302), (26, 794574651), (39, 529716434), (78, 264858217), (103, 200572242), (169, 122242254), (206, 100286121), (309, 66857414), (338, 61121127), (507, 40747418), (618, 33428707), (1014, 20373709), (1339, 15428634), (2678, 7714317), (4017, 5142878), (8034, 2571439), (17407, 1186818), (34814, 593409), (52221, 395606), (104442, 197803)]