20369538

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3943}}^1$

素因数の和:3999

約数の個数: 48

約数和(自身を含む): 51682176

約数和(自身を除く): 31312638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 63, 82, 123, 126, 246, 287, 369, 574, 738, 861, 1722, 2583, 3943, 5166, 7886, 11829, 23658, 27601, 35487, 55202, 70974, 82803, 161663, 165606, 248409, 323326, 484989, 496818, 969978, 1131641, 1454967, 2263282, 2909934, 3394923, 6789846, 10184769, 20369538]

約数ペア:

[(1, 20369538), (2, 10184769), (3, 6789846), (6, 3394923), (7, 2909934), (9, 2263282), (14, 1454967), (18, 1131641), (21, 969978), (41, 496818), (42, 484989), (63, 323326), (82, 248409), (123, 165606), (126, 161663), (246, 82803), (287, 70974), (369, 55202), (574, 35487), (738, 27601), (861, 23658), (1722, 11829), (2583, 7886), (3943, 5166)]