20802942

素因数分解:

$2^1\times 3^2\times {\mathrm{389}}^1\times {\mathrm{2971}}^1$

素因数の和:3368

約数の個数: 24

約数和(自身を含む): 45204120

約数和(自身を除く): 24401178

約数列:

[1, 2, 3, 6, 9, 18, 389, 778, 1167, 2334, 2971, 3501, 5942, 7002, 8913, 17826, 26739, 53478, 1155719, 2311438, 3467157, 6934314, 10401471, 20802942]

約数ペア:

[(1, 20802942), (2, 10401471), (3, 6934314), (6, 3467157), (9, 2311438), (18, 1155719), (389, 53478), (778, 26739), (1167, 17826), (2334, 8913), (2971, 7002), (3501, 5942)]