20238274

素因数分解:

$2^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{2129}}^1$

素因数の和:2242

約数の個数: 24

約数和(自身を含む): 35694540

約数和(自身を除く): 15456266

約数列:

[1, 2, 7, 14, 49, 97, 98, 194, 679, 1358, 2129, 4258, 4753, 9506, 14903, 29806, 104321, 206513, 208642, 413026, 1445591, 2891182, 10119137, 20238274]

約数ペア:

[(1, 20238274), (2, 10119137), (7, 2891182), (14, 1445591), (49, 413026), (97, 208642), (98, 206513), (194, 104321), (679, 29806), (1358, 14903), (2129, 9506), (4258, 4753)]