20553036

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{797}}^1$

素因数の和:1118

約数の個数: 48

約数和(自身を含む): 55055616

約数和(自身を除く): 34502580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 307, 614, 797, 921, 1228, 1594, 1842, 2149, 2391, 3188, 3684, 4298, 4782, 5579, 6447, 8596, 9564, 11158, 12894, 16737, 22316, 25788, 33474, 66948, 244679, 489358, 734037, 978716, 1468074, 1712753, 2936148, 3425506, 5138259, 6851012, 10276518, 20553036]

約数ペア:

[(1, 20553036), (2, 10276518), (3, 6851012), (4, 5138259), (6, 3425506), (7, 2936148), (12, 1712753), (14, 1468074), (21, 978716), (28, 734037), (42, 489358), (84, 244679), (307, 66948), (614, 33474), (797, 25788), (921, 22316), (1228, 16737), (1594, 12894), (1842, 11158), (2149, 9564), (2391, 8596), (3188, 6447), (3684, 5579), (4298, 4782)]