20335080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1747}}^1$

素因数の和:1858

約数の個数: 64

約数和(自身を含む): 61669440

約数和(自身を除く): 41334360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1747, 1940, 2328, 2910, 3494, 3880, 5241, 5820, 6988, 8735, 10482, 11640, 13976, 17470, 20964, 26205, 34940, 41928, 52410, 69880, 104820, 169459, 209640, 338918, 508377, 677836, 847295, 1016754, 1355672, 1694590, 2033508, 2541885, 3389180, 4067016, 5083770, 6778360, 10167540, 20335080]

約数ペア:

[(1, 20335080), (2, 10167540), (3, 6778360), (4, 5083770), (5, 4067016), (6, 3389180), (8, 2541885), (10, 2033508), (12, 1694590), (15, 1355672), (20, 1016754), (24, 847295), (30, 677836), (40, 508377), (60, 338918), (97, 209640), (120, 169459), (194, 104820), (291, 69880), (388, 52410), (485, 41928), (582, 34940), (776, 26205), (970, 20964), (1164, 17470), (1455, 13976), (1747, 11640), (1940, 10482), (2328, 8735), (2910, 6988), (3494, 5820), (3880, 5241)]