12566820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29921}}^1$

素因数の和:29940

約数の個数: 48

約数和(自身を含む): 40215168

約数和(自身を除く): 27648348

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 29921, 59842, 89763, 119684, 149605, 179526, 209447, 299210, 359052, 418894, 448815, 598420, 628341, 837788, 897630, 1047235, 1256682, 1795260, 2094470, 2513364, 3141705, 4188940, 6283410, 12566820]

約数ペア:

[(1, 12566820), (2, 6283410), (3, 4188940), (4, 3141705), (5, 2513364), (6, 2094470), (7, 1795260), (10, 1256682), (12, 1047235), (14, 897630), (15, 837788), (20, 628341), (21, 598420), (28, 448815), (30, 418894), (35, 359052), (42, 299210), (60, 209447), (70, 179526), (84, 149605), (105, 119684), (140, 89763), (210, 59842), (420, 29921)]