20556312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3307}}^1$

素因数の和:3360

約数の個数: 64

約数和(自身を含む): 60337920

約数和(自身を除く): 39781608

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 37, 42, 56, 74, 84, 111, 148, 168, 222, 259, 296, 444, 518, 777, 888, 1036, 1554, 2072, 3108, 3307, 6216, 6614, 9921, 13228, 19842, 23149, 26456, 39684, 46298, 69447, 79368, 92596, 122359, 138894, 185192, 244718, 277788, 367077, 489436, 555576, 734154, 856513, 978872, 1468308, 1713026, 2569539, 2936616, 3426052, 5139078, 6852104, 10278156, 20556312]

約数ペア:

[(1, 20556312), (2, 10278156), (3, 6852104), (4, 5139078), (6, 3426052), (7, 2936616), (8, 2569539), (12, 1713026), (14, 1468308), (21, 978872), (24, 856513), (28, 734154), (37, 555576), (42, 489436), (56, 367077), (74, 277788), (84, 244718), (111, 185192), (148, 138894), (168, 122359), (222, 92596), (259, 79368), (296, 69447), (444, 46298), (518, 39684), (777, 26456), (888, 23149), (1036, 19842), (1554, 13228), (2072, 9921), (3108, 6614), (3307, 6216)]