20137005

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{7103}}^1$

素因数の和:7127

約数の個数: 40

約数和(自身を含む): 41260032

約数和(自身を除く): 21123027

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 7103, 21309, 35515, 49721, 63927, 106545, 149163, 191781, 248605, 319635, 447489, 575343, 745815, 958905, 1342467, 2237445, 2876715, 4027401, 6712335, 20137005]

約数ペア:

[(1, 20137005), (3, 6712335), (5, 4027401), (7, 2876715), (9, 2237445), (15, 1342467), (21, 958905), (27, 745815), (35, 575343), (45, 447489), (63, 319635), (81, 248605), (105, 191781), (135, 149163), (189, 106545), (315, 63927), (405, 49721), (567, 35515), (945, 21309), (2835, 7103)]